126264751 has 4 divisors (see below), whose sum is σ = 126372312. Its totient is φ = 126157192.

The previous prime is 126264739. The next prime is 126264769. The reversal of 126264751 is 157462621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126264751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126264781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52000 + ... + 54373.

It is an arithmetic number, because the mean of its divisors is an integer number (31593078).

Almost surely, 2^126264751 is an apocalyptic number.

126264751 is a deficient number, since it is larger than the sum of its proper divisors (107561).

126264751 is a wasteful number, since it uses less digits than its factorization.

126264751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107560.

The product of its digits is 20160, while the sum is 34.

The square root of 126264751 is about 11236.7589188342. The cubic root of 126264751 is about 501.6806789732.

The spelling of 126264751 in words is "one hundred twenty-six million, two hundred sixty-four thousand, seven hundred fifty-one".