102755969 has 2 divisors, whose sum is σ = 102755970. Its totient is φ = 102755968.

The previous prime is 102755951. The next prime is 102755977. The reversal of 102755969 is 969557201.

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., 55696369 + 47059600 = 7463^2 + 6860^2 .

It is a cyclic number.

It is not a de Polignac number, because 102755969 - 2²⁰ = 101707393 is a prime.

It is a super-2 number, since 2×102755969² = 21117578330257922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102755999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51377984 + 51377985.

It is an arithmetic number, because the mean of its divisors is an integer number (51377985).

Almost surely, 2^102755969 is an apocalyptic number.

It is an amenable number.

102755969 is a deficient number, since it is larger than the sum of its proper divisors (1).

102755969 is an equidigital number, since it uses as much as digits as its factorization.

102755969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170100, while the sum is 44.

The square root of 102755969 is about 10136.8618911377. The cubic root of 102755969 is about 468.3843255592.

The spelling of 102755969 in words is "one hundred two million, seven hundred fifty-five thousand, nine hundred sixty-nine".