126060013 has 6 divisors (see below), whose sum is σ = 130557674. Its totient is φ = 121712304.

The previous prime is 126060007. The next prime is 126060029. The reversal of 126060013 is 310060621.

It can be written as a sum of positive squares in 3 ways, for example, as 45724644 + 80335369 = 6762^2 + 8963^2 .

It is a de Polignac number, because none of the positive numbers 2^k-126060013 is a prime.

It is a super-2 number, since 2×126060013² = 31782253755120338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126000013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74106 + ... + 75787.

Almost surely, 2^126060013 is an apocalyptic number.

It is an amenable number.

126060013 is a deficient number, since it is larger than the sum of its proper divisors (4497661).

126060013 is an equidigital number, since it uses as much as digits as its factorization.

126060013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149951 (or 149922 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 126060013 is about 11227.6450335767. The cubic root of 126060013 is about 501.4093742624.

The spelling of 126060013 in words is "one hundred twenty-six million, sixty thousand, thirteen".