102056881 has 8 divisors (see below), whose sum is σ = 104598144. Its totient is φ = 99531120.

The previous prime is 102056863. The next prime is 102056909. The reversal of 102056881 is 188650201.

102056881 = 89² + 90² + ... + 674².

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

It is a cyclic number.

It is not a de Polignac number, because 102056881 - 2⁵ = 102056849 is a prime.

It is a super-2 number, since 2×102056881² = 20831213918896322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102056081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10066 + ... + 17476.

It is an arithmetic number, because the mean of its divisors is an integer number (13074768).

Almost surely, 2^102056881 is an apocalyptic number.

It is an amenable number.

102056881 is a deficient number, since it is larger than the sum of its proper divisors (2541263).

102056881 is an equidigital number, since it uses as much as digits as its factorization.

102056881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7751.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 102056881 is about 10102.3205749966. The cubic root of 102056881 is about 467.3197085687.

The spelling of 102056881 in words is "one hundred two million, fifty-six thousand, eight hundred eighty-one".