126752631 has 8 divisors (see below), whose sum is σ = 169064064. Its totient is φ = 84471480.

The previous prime is 126752617. The next prime is 126752641. The reversal of 126752631 is 136257621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126752631 - 2⁵ = 126752599 is a prime.

It is a super-2 number, since 2×126752631² = 32132458930844322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126752592 and 126752601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126752641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5350 + ... + 16796.

It is an arithmetic number, because the mean of its divisors is an integer number (21133008).

Almost surely, 2^126752631 is an apocalyptic number.

126752631 is a deficient number, since it is larger than the sum of its proper divisors (42311433).

126752631 is a wasteful number, since it uses less digits than its factorization.

126752631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15141.

The product of its digits is 15120, while the sum is 33.

The square root of 126752631 is about 11258.4470954035. The cubic root of 126752631 is about 502.3260039653.

The spelling of 126752631 in words is "one hundred twenty-six million, seven hundred fifty-two thousand, six hundred thirty-one".