126508753 has 4 divisors (see below), whose sum is σ = 144581440. Its totient is φ = 108436068.

The previous prime is 126508741. The next prime is 126508771. The reversal of 126508753 is 357805621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126508753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126508703) 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, 9036333 + ... + 9036346.

It is an arithmetic number, because the mean of its divisors is an integer number (36145360).

Almost surely, 2^126508753 is an apocalyptic number.

It is an amenable number.

126508753 is a deficient number, since it is larger than the sum of its proper divisors (18072687).

126508753 is an equidigital number, since it uses as much as digits as its factorization.

126508753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18072686.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 126508753 is about 11247.6109907838. The cubic root of 126508753 is about 502.0036308685.

The spelling of 126508753 in words is "one hundred twenty-six million, five hundred eight thousand, seven hundred fifty-three".