125435013 has 12 divisors (see below), whose sum is σ = 183833664. Its totient is φ = 76021000.

The previous prime is 125434997. The next prime is 125435029. The reversal of 125435013 is 310534521.

It is an interprime number because it is at equal distance from previous prime (125434997) and next prime (125435029).

It is not a de Polignac number, because 125435013 - 2⁴ = 125434997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125435033) 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 in 11 ways as a sum of consecutive naturals, for example, 172413 + ... + 173138.

It is an arithmetic number, because the mean of its divisors is an integer number (15319472).

Almost surely, 2^125435013 is an apocalyptic number.

It is an amenable number.

125435013 is a deficient number, since it is larger than the sum of its proper divisors (58398651).

125435013 is a wasteful number, since it uses less digits than its factorization.

125435013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345576 (or 345565 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 125435013 is about 11199.7773638586. Note that the first 3 decimals coincide. The cubic root of 125435013 is about 500.5793457910.

Adding to 125435013 its reverse (310534521), we get a palindrome (435969534).

The spelling of 125435013 in words is "one hundred twenty-five million, four hundred thirty-five thousand, thirteen".