125479213 has 2 divisors, whose sum is σ = 125479214. Its totient is φ = 125479212.

The previous prime is 125479199. The next prime is 125479217. The reversal of 125479213 is 312974521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118091689 + 7387524 = 10867^2 + 2718^2 .

It is a cyclic number.

It is not a de Polignac number, because 125479213 - 2⁵ = 125479181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125479217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62739606 + 62739607.

It is an arithmetic number, because the mean of its divisors is an integer number (62739607).

Almost surely, 2^125479213 is an apocalyptic number.

It is an amenable number.

125479213 is a deficient number, since it is larger than the sum of its proper divisors (1).

125479213 is an equidigital number, since it uses as much as digits as its factorization.

125479213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 34.

The square root of 125479213 is about 11201.7504435691. The cubic root of 125479213 is about 500.6381358854.

It can be divided in two parts, 12547 and 9213, that multiplied together give a palindrome (115595511).

The spelling of 125479213 in words is "one hundred twenty-five million, four hundred seventy-nine thousand, two hundred thirteen".