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120885481 = 702717203
BaseRepresentation
bin1110011010010…
…01000011101001
322102110121201001
413031021003221
5221421313411
615554555001
72665336543
oct715110351
9272417631
10120885481
1162267062
1234598a61
131c076c92
14120aa693
15a92cdc1
hex73490e9

120885481 has 4 divisors (see below), whose sum is σ = 120909712. Its totient is φ = 120861252.

The previous prime is 120885473. The next prime is 120885517. The reversal of 120885481 is 184588021.

It is a happy number.

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 120885481 - 23 = 120885473 is a prime.

It is a super-2 number, since 2×1208854812 = 29226599033202722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120885481.

It is not an unprimeable number, because it can be changed into a prime (120885881) 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, 1575 + ... + 15628.

It is an arithmetic number, because the mean of its divisors is an integer number (30227428).

Almost surely, 2120885481 is an apocalyptic number.

It is an amenable number.

120885481 is a deficient number, since it is larger than the sum of its proper divisors (24231).

120885481 is an equidigital number, since it uses as much as digits as its factorization.

120885481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24230.

The product of its (nonzero) digits is 20480, while the sum is 37.

The square root of 120885481 is about 10994.7933586766. The cubic root of 120885481 is about 494.4526562323.

The spelling of 120885481 in words is "one hundred twenty million, eight hundred eighty-five thousand, four hundred eighty-one".

Divisors: 1 7027 17203 120885481