125413399 has 2 divisors, whose sum is σ = 125413400. Its totient is φ = 125413398.

The previous prime is 125413397. The next prime is 125413427. The reversal of 125413399 is 993314521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125413399 - 2¹ = 125413397 is a prime.

Together with 125413397, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125413397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62706699 + 62706700.

It is an arithmetic number, because the mean of its divisors is an integer number (62706700).

Almost surely, 2^125413399 is an apocalyptic number.

125413399 is a deficient number, since it is larger than the sum of its proper divisors (1).

125413399 is an equidigital number, since it uses as much as digits as its factorization.

125413399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 37.

The square root of 125413399 is about 11198.8123923923. The cubic root of 125413399 is about 500.5505921407.

The spelling of 125413399 in words is "one hundred twenty-five million, four hundred thirteen thousand, three hundred ninety-nine".