102056739 has 8 divisors (see below), whose sum is σ = 136197312. Its totient is φ = 67977000.

The previous prime is 102056677. The next prime is 102056753. The reversal of 102056739 is 937650201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102056739 - 2⁸ = 102056483 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (102056789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11137 + ... + 18114.

It is an arithmetic number, because the mean of its divisors is an integer number (17024664).

Almost surely, 2^102056739 is an apocalyptic number.

102056739 is a deficient number, since it is larger than the sum of its proper divisors (34140573).

102056739 is a wasteful number, since it uses less digits than its factorization.

102056739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30417.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 102056739 is about 10102.3135469060. The cubic root of 102056739 is about 467.3194918287.

The spelling of 102056739 in words is "one hundred two million, fifty-six thousand, seven hundred thirty-nine".