102106456 has 16 divisors (see below), whose sum is σ = 201526200. Its totient is φ = 48366144.

The previous prime is 102106447. The next prime is 102106483. The reversal of 102106456 is 654601201.

It is a self number, because there is not a number n which added to its sum of digits gives 102106456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335725 + ... + 336028.

Almost surely, 2^102106456 is an apocalyptic number.

It is an amenable number.

102106456 is a deficient number, since it is larger than the sum of its proper divisors (99419744).

102106456 is a wasteful number, since it uses less digits than its factorization.

102106456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671778 (or 671774 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 102106456 is about 10104.7739212711. The cubic root of 102106456 is about 467.3953644973.

Adding to 102106456 its reverse (654601201), we get a palindrome (756707657).

The spelling of 102106456 in words is "one hundred two million, one hundred six thousand, four hundred fifty-six".