102626417 has 2 divisors, whose sum is σ = 102626418. Its totient is φ = 102626416.

The previous prime is 102626413. The next prime is 102626449. The reversal of 102626417 is 714626201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99181681 + 3444736 = 9959^2 + 1856^2 .

It is a cyclic number.

It is not a de Polignac number, because 102626417 - 2² = 102626413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102626417.

It is not a weakly prime, because it can be changed into another prime (102626411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51313208 + 51313209.

It is an arithmetic number, because the mean of its divisors is an integer number (51313209).

Almost surely, 2^102626417 is an apocalyptic number.

It is an amenable number.

102626417 is a deficient number, since it is larger than the sum of its proper divisors (1).

102626417 is an equidigital number, since it uses as much as digits as its factorization.

102626417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 102626417 is about 10130.4697324458. The cubic root of 102626417 is about 468.1874005990.

The spelling of 102626417 in words is "one hundred two million, six hundred twenty-six thousand, four hundred seventeen".