102055790 has 16 divisors (see below), whose sum is σ = 183870000. Its totient is φ = 40784640.

The previous prime is 102055771. The next prime is 102055801. The reversal of 102055790 is 97550201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8405 + ... + 16575.

It is an arithmetic number, because the mean of its divisors is an integer number (11491875).

Almost surely, 2^102055790 is an apocalyptic number.

102055790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102055790 is a deficient number, since it is larger than the sum of its proper divisors (81814210).

102055790 is a wasteful number, since it uses less digits than its factorization.

102055790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9427.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 102055790 is about 10102.2665773578. The cubic root of 102055790 is about 467.3180433286.

The spelling of 102055790 in words is "one hundred two million, fifty-five thousand, seven hundred ninety".