102556741 has 8 divisors (see below), whose sum is σ = 117467840. Its totient is φ = 87710688.

The previous prime is 102556721. The next prime is 102556759. The reversal of 102556741 is 147655201.

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

It is a cyclic number.

It is not a de Polignac number, because 102556741 - 2²¹ = 100459589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102556721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12831 + ... + 19228.

It is an arithmetic number, because the mean of its divisors is an integer number (14683480).

Almost surely, 2^102556741 is an apocalyptic number.

It is an amenable number.

102556741 is a deficient number, since it is larger than the sum of its proper divisors (14911099).

102556741 is an equidigital number, since it uses as much as digits as its factorization.

102556741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32523.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 102556741 is about 10127.0302162085. The cubic root of 102556741 is about 468.0814213537.

The spelling of 102556741 in words is "one hundred two million, five hundred fifty-six thousand, seven hundred forty-one".