125424319 has 2 divisors, whose sum is σ = 125424320. Its totient is φ = 125424318.

The previous prime is 125424281. The next prime is 125424361. The reversal of 125424319 is 913424521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125424319 - 2¹³ = 125416127 is a prime.

It is a super-2 number, since 2×125424319² = 31462519593227522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125424389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62712159 + 62712160.

It is an arithmetic number, because the mean of its divisors is an integer number (62712160).

Almost surely, 2^125424319 is an apocalyptic number.

125424319 is a deficient number, since it is larger than the sum of its proper divisors (1).

125424319 is an equidigital number, since it uses as much as digits as its factorization.

125424319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 125424319 is about 11199.2999334780. The cubic root of 125424319 is about 500.5651197055.

It can be divided in two parts, 12542 and 4319, that added together give a palindrome (16861).

The spelling of 125424319 in words is "one hundred twenty-five million, four hundred twenty-four thousand, three hundred nineteen".