102596981 has 2 divisors, whose sum is σ = 102596982. Its totient is φ = 102596980.

The previous prime is 102596969. The next prime is 102597049. The reversal of 102596981 is 189695201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91374481 + 11222500 = 9559^2 + 3350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102596981 is a prime.

It is a super-2 number, since 2×102596981² = 21052281020628722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102596381) by changing a digit.

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 as a sum of consecutive naturals, namely, 51298490 + 51298491.

It is an arithmetic number, because the mean of its divisors is an integer number (51298491).

Almost surely, 2^102596981 is an apocalyptic number.

It is an amenable number.

102596981 is a deficient number, since it is larger than the sum of its proper divisors (1).

102596981 is an equidigital number, since it uses as much as digits as its factorization.

102596981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 102596981 is about 10129.0167834790. The cubic root of 102596981 is about 468.1426334309.

The spelling of 102596981 in words is "one hundred two million, five hundred ninety-six thousand, nine hundred eighty-one".