126013039 has 2 divisors, whose sum is σ = 126013040. Its totient is φ = 126013038.

The previous prime is 126013003. The next prime is 126013099. The reversal of 126013039 is 930310621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126013039 - 2⁷ = 126012911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126013099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63006519 + 63006520.

It is an arithmetic number, because the mean of its divisors is an integer number (63006520).

Almost surely, 2^126013039 is an apocalyptic number.

126013039 is a deficient number, since it is larger than the sum of its proper divisors (1).

126013039 is an equidigital number, since it uses as much as digits as its factorization.

126013039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 126013039 is about 11225.5529485188. The cubic root of 126013039 is about 501.3470861253.

The spelling of 126013039 in words is "one hundred twenty-six million, thirteen thousand, thirty-nine".