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102033121 = 313291391
BaseRepresentation
bin1100001010011…
…10011011100001
321002222211010111
412011032123201
5202110024441
614042531321
72346160441
oct605163341
9232884114
10102033121
115265aaa3
122a206b41
13181a6038
14d7a0121
158e57081
hex614e6e1

102033121 has 4 divisors (see below), whose sum is σ = 105324544. Its totient is φ = 98741700.

The previous prime is 102033119. The next prime is 102033131. The reversal of 102033121 is 121330201.

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.

It is a cyclic number.

It is not a de Polignac number, because 102033121 - 21 = 102033119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102033101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645665 + ... + 1645726.

It is an arithmetic number, because the mean of its divisors is an integer number (26331136).

Almost surely, 2102033121 is an apocalyptic number.

It is an amenable number.

102033121 is a deficient number, since it is larger than the sum of its proper divisors (3291423).

102033121 is an equidigital number, since it uses as much as digits as its factorization.

102033121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291422.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 102033121 is about 10101.1445391104. The cubic root of 102033121 is about 467.2834399769.

Adding to 102033121 its reverse (121330201), we get a palindrome (223363322).

The spelling of 102033121 in words is "one hundred two million, thirty-three thousand, one hundred twenty-one".

Divisors: 1 31 3291391 102033121