126310039 has 2 divisors, whose sum is σ = 126310040. Its totient is φ = 126310038.

The previous prime is 126310021. The next prime is 126310087. The reversal of 126310039 is 930013621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126310039 - 2¹⁵ = 126277271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126309995 and 126310022.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126310139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63155019 + 63155020.

It is an arithmetic number, because the mean of its divisors is an integer number (63155020).

Almost surely, 2^126310039 is an apocalyptic number.

126310039 is a deficient number, since it is larger than the sum of its proper divisors (1).

126310039 is an equidigital number, since it uses as much as digits as its factorization.

126310039 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 126310039 is about 11238.7739099957. The cubic root of 126310039 is about 501.7406518967.

The spelling of 126310039 in words is "one hundred twenty-six million, three hundred ten thousand, thirty-nine".