102256881 has 8 divisors (see below), whose sum is σ = 139513440. Its totient is φ = 66585792.

The previous prime is 102256877. The next prime is 102256883. The reversal of 102256881 is 188652201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102256881 - 2² = 102256877 is a prime.

It is a super-2 number, since 2×102256881² = 20912939423696322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102256883) 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 7 ways as a sum of consecutive naturals, for example, 396216 + ... + 396473.

It is an arithmetic number, because the mean of its divisors is an integer number (17439180).

Almost surely, 2^102256881 is an apocalyptic number.

It is an amenable number.

102256881 is a deficient number, since it is larger than the sum of its proper divisors (37256559).

102256881 is an equidigital number, since it uses as much as digits as its factorization.

102256881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792735.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 102256881 is about 10112.2144459065. The cubic root of 102256881 is about 467.6247768590.

The spelling of 102256881 in words is "one hundred two million, two hundred fifty-six thousand, eight hundred eighty-one".