125514391 has 2 divisors, whose sum is σ = 125514392. Its totient is φ = 125514390.

The previous prime is 125514379. The next prime is 125514419. The reversal of 125514391 is 193415521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125514391 - 2²³ = 117125783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125514091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62757195 + 62757196.

It is an arithmetic number, because the mean of its divisors is an integer number (62757196).

Almost surely, 2^125514391 is an apocalyptic number.

125514391 is a deficient number, since it is larger than the sum of its proper divisors (1).

125514391 is an equidigital number, since it uses as much as digits as its factorization.

125514391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 31.

The square root of 125514391 is about 11203.3205345558. The cubic root of 125514391 is about 500.6849160184.

The spelling of 125514391 in words is "one hundred twenty-five million, five hundred fourteen thousand, three hundred ninety-one".