102987697 has 2 divisors, whose sum is σ = 102987698. Its totient is φ = 102987696.

The previous prime is 102987667. The next prime is 102987719. The reversal of 102987697 is 796789201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93721761 + 9265936 = 9681^2 + 3044^2 .

It is a cyclic number.

It is not a de Polignac number, because 102987697 - 2⁷ = 102987569 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102987697.

It is not a weakly prime, because it can be changed into another prime (102987617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51493848 + 51493849.

It is an arithmetic number, because the mean of its divisors is an integer number (51493849).

Almost surely, 2^102987697 is an apocalyptic number.

It is an amenable number.

102987697 is a deficient number, since it is larger than the sum of its proper divisors (1).

102987697 is an equidigital number, since it uses as much as digits as its factorization.

102987697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 49.

The square root of 102987697 is about 10148.2854216858. The cubic root of 102987697 is about 468.7361502989.

It can be divided in two parts, 102987 and 697, that added together give a square (103684 = 322²).

The spelling of 102987697 in words is "one hundred two million, nine hundred eighty-seven thousand, six hundred ninety-seven".