102940056 has 48 divisors (see below), whose sum is σ = 279381960. Its totient is φ = 34241280.

The previous prime is 102940039. The next prime is 102940069. The reversal of 102940056 is 650049201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41491 + ... + 43901.

Almost surely, 2^102940056 is an apocalyptic number.

It is an amenable number.

102940056 is an abundant number, since it is smaller than the sum of its proper divisors (176441904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102940056 is a wasteful number, since it uses less digits than its factorization.

102940056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016 (or 3009 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 102940056 is about 10145.9379063742. The cubic root of 102940056 is about 468.6638617187.

Adding to 102940056 its reverse (650049201), we get a palindrome (752989257).

The spelling of 102940056 in words is "one hundred two million, nine hundred forty thousand, fifty-six".