102078056 has 8 divisors (see below), whose sum is σ = 191396370. Its totient is φ = 51039024.

The previous prime is 102078029. The next prime is 102078059. The reversal of 102078056 is 650870201.

It can be written as a sum of positive squares in only one way, i.e., 84015556 + 18062500 = 9166^2 + 4250^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (102078059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6379871 + ... + 6379886.

Almost surely, 2^102078056 is an apocalyptic number.

It is an amenable number.

102078056 is a deficient number, since it is larger than the sum of its proper divisors (89318314).

102078056 is a wasteful number, since it uses less digits than its factorization.

102078056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12759763 (or 12759759 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 102078056 is about 10103.3685471728. The cubic root of 102078056 is about 467.3520265285.

The spelling of 102078056 in words is "one hundred two million, seventy-eight thousand, fifty-six".