126332531 has 8 divisors (see below), whose sum is σ = 137256000. Its totient is φ = 115581312.

The previous prime is 126332519. The next prime is 126332561. The reversal of 126332531 is 135233621.

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

It is a cyclic number.

It is not a de Polignac number, because 126332531 - 2²⁶ = 59223667 is a prime.

It is a super-2 number, since 2×126332531² = 31919816777731922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126332531.

It is not an unprimeable number, because it can be changed into a prime (126332561) 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, 41531 + ... + 44468.

It is an arithmetic number, because the mean of its divisors is an integer number (17157000).

Almost surely, 2^126332531 is an apocalyptic number.

126332531 is a deficient number, since it is larger than the sum of its proper divisors (10923469).

126332531 is a wasteful number, since it uses less digits than its factorization.

126332531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86125.

The product of its digits is 3240, while the sum is 26.

The square root of 126332531 is about 11239.7745084143. The cubic root of 126332531 is about 501.7704317438.

The spelling of 126332531 in words is "one hundred twenty-six million, three hundred thirty-two thousand, five hundred thirty-one".