125053399 has 2 divisors, whose sum is σ = 125053400. Its totient is φ = 125053398.

The previous prime is 125053393. The next prime is 125053457. The reversal of 125053399 is 993350521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125053399 - 2¹¹ = 125051351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125053393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62526699 + 62526700.

It is an arithmetic number, because the mean of its divisors is an integer number (62526700).

Almost surely, 2^125053399 is an apocalyptic number.

125053399 is a deficient number, since it is larger than the sum of its proper divisors (1).

125053399 is an equidigital number, since it uses as much as digits as its factorization.

125053399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 125053399 is about 11182.7277083903. The cubic root of 125053399 is about 500.0711885306.

The spelling of 125053399 in words is "one hundred twenty-five million, fifty-three thousand, three hundred ninety-nine".