102255118 has 16 divisors (see below), whose sum is σ = 179372160. Its totient is φ = 42804216.

The previous prime is 102255113. The next prime is 102255137. The reversal of 102255118 is 811552201.

It is a super-2 number, since 2×102255118² = 20912218314387848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102255092 and 102255101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102255113) 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, 84328 + ... + 85531.

It is an arithmetic number, because the mean of its divisors is an integer number (11210760).

Almost surely, 2^102255118 is an apocalyptic number.

102255118 is a deficient number, since it is larger than the sum of its proper divisors (77117042).

102255118 is a wasteful number, since it uses less digits than its factorization.

102255118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169911.

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 102255118 is about 10112.1272737244. The cubic root of 102255118 is about 467.6220894205.

The spelling of 102255118 in words is "one hundred two million, two hundred fifty-five thousand, one hundred eighteen".