125737523 has 2 divisors, whose sum is σ = 125737524. Its totient is φ = 125737522.

The previous prime is 125737517. The next prime is 125737537. The reversal of 125737523 is 325737521.

It is a weak prime.

It is an emirp because it is prime and its reverse (325737521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125737523 - 2¹⁸ = 125475379 is a prime.

It is not a weakly prime, because it can be changed into another prime (125737543) 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, 62868761 + 62868762.

It is an arithmetic number, because the mean of its divisors is an integer number (62868762).

Almost surely, 2^125737523 is an apocalyptic number.

125737523 is a deficient number, since it is larger than the sum of its proper divisors (1).

125737523 is an equidigital number, since it uses as much as digits as its factorization.

125737523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44100, while the sum is 35.

The square root of 125737523 is about 11213.2744102693. The cubic root of 125737523 is about 500.9814363051.

The spelling of 125737523 in words is "one hundred twenty-five million, seven hundred thirty-seven thousand, five hundred twenty-three".