126311513 has 16 divisors (see below), whose sum is σ = 137894400. Its totient is φ = 115239936.

The previous prime is 126311473. The next prime is 126311527. The reversal of 126311513 is 315113621.

It is a cyclic number.

It is not a de Polignac number, because 126311513 - 2⁸ = 126311257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126311543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89588 + ... + 90986.

It is an arithmetic number, because the mean of its divisors is an integer number (8618400).

Almost surely, 2^126311513 is an apocalyptic number.

It is an amenable number.

126311513 is a deficient number, since it is larger than the sum of its proper divisors (11582887).

126311513 is a wasteful number, since it uses less digits than its factorization.

126311513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576.

The product of its digits is 540, while the sum is 23.

The square root of 126311513 is about 11238.8394863527. The cubic root of 126311513 is about 501.7426036097.

The spelling of 126311513 in words is "one hundred twenty-six million, three hundred eleven thousand, five hundred thirteen".