102755399 has 2 divisors, whose sum is σ = 102755400. Its totient is φ = 102755398.

The previous prime is 102755377. The next prime is 102755431. The reversal of 102755399 is 993557201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102755399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102755339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51377699 + 51377700.

It is an arithmetic number, because the mean of its divisors is an integer number (51377700).

Almost surely, 2^102755399 is an apocalyptic number.

102755399 is a deficient number, since it is larger than the sum of its proper divisors (1).

102755399 is an equidigital number, since it uses as much as digits as its factorization.

102755399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85050, while the sum is 41.

The square root of 102755399 is about 10136.8337758888. The cubic root of 102755399 is about 468.3834594958.

The spelling of 102755399 in words is "one hundred two million, seven hundred fifty-five thousand, three hundred ninety-nine".