125214013 has 2 divisors, whose sum is σ = 125214014. Its totient is φ = 125214012.

The previous prime is 125213987. The next prime is 125214017. The reversal of 125214013 is 310412521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114105124 + 11108889 = 10682^2 + 3333^2 .

It is a cyclic number.

It is not a de Polignac number, because 125214013 - 2⁵ = 125213981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125214017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62607006 + 62607007.

It is an arithmetic number, because the mean of its divisors is an integer number (62607007).

Almost surely, 2^125214013 is an apocalyptic number.

It is an amenable number.

125214013 is a deficient number, since it is larger than the sum of its proper divisors (1).

125214013 is an equidigital number, since it uses as much as digits as its factorization.

125214013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 125214013 is about 11189.9067467071. The cubic root of 125214013 is about 500.2851879714.

Adding to 125214013 its reverse (310412521), we get a palindrome (435626534).

It can be divided in two parts, 1252140 and 13, that added together give a triangular number (1252153 = T₁₅₈₂).

The spelling of 125214013 in words is "one hundred twenty-five million, two hundred fourteen thousand, thirteen".