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10121369 = 16760607
BaseRepresentation
bin100110100111…
…000010011001
3201001012220112
4212213002121
510042340434
61000534105
7152013236
oct46470231
921035815
1010121369
115793375
123481335
132134b9b
1414b678d
15d4ddce
hex9a7099

10121369 has 4 divisors (see below), whose sum is σ = 10182144. Its totient is φ = 10060596.

The previous prime is 10121359. The next prime is 10121393. The reversal of 10121369 is 96312101.

It is a happy number.

10121369 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96312101 = 127758363.

It is a cyclic number.

It is not a de Polignac number, because 10121369 - 220 = 9072793 is a prime.

It is a super-2 number, since 2×101213692 = 204884220868322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30137 + ... + 30470.

It is an arithmetic number, because the mean of its divisors is an integer number (2545536).

Almost surely, 210121369 is an apocalyptic number.

It is an amenable number.

10121369 is a deficient number, since it is larger than the sum of its proper divisors (60775).

10121369 is an equidigital number, since it uses as much as digits as its factorization.

10121369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60774.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 10121369 is about 3181.4099075724. The cubic root of 10121369 is about 216.3115716729.

The spelling of 10121369 in words is "ten million, one hundred twenty-one thousand, three hundred sixty-nine".

Divisors: 1 167 60607 10121369