102630137 has 2 divisors, whose sum is σ = 102630138. Its totient is φ = 102630136.

The previous prime is 102630109. The next prime is 102630167. The reversal of 102630137 is 731036201.

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., 56715961 + 45914176 = 7531^2 + 6776^2 .

It is a cyclic number.

It is not a de Polignac number, because 102630137 - 2⁸ = 102629881 is a prime.

It is not a weakly prime, because it can be changed into another prime (102630107) 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, 51315068 + 51315069.

It is an arithmetic number, because the mean of its divisors is an integer number (51315069).

Almost surely, 2^102630137 is an apocalyptic number.

It is an amenable number.

102630137 is a deficient number, since it is larger than the sum of its proper divisors (1).

102630137 is an equidigital number, since it uses as much as digits as its factorization.

102630137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 102630137 is about 10130.6533352988. The cubic root of 102630137 is about 468.1930574793.

Adding to 102630137 its reverse (731036201), we get a palindrome (833666338).

The spelling of 102630137 in words is "one hundred two million, six hundred thirty thousand, one hundred thirty-seven".