126626537 has 8 divisors (see below), whose sum is σ = 130920192. Its totient is φ = 122346000.

The previous prime is 126626527. The next prime is 126626561. The reversal of 126626537 is 735626621.

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 126626537 - 2¹⁴ = 126610153 is a prime.

It is a super-2 number, since 2×126626537² = 32068559745224738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126626537.

It is not an unprimeable number, because it can be changed into a prime (126626527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18818 + ... + 24644.

It is an arithmetic number, because the mean of its divisors is an integer number (16365024).

Almost surely, 2^126626537 is an apocalyptic number.

It is an amenable number.

126626537 is a deficient number, since it is larger than the sum of its proper divisors (4293655).

126626537 is an equidigital number, since it uses as much as digits as its factorization.

126626537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6559.

The product of its digits is 90720, while the sum is 38.

The square root of 126626537 is about 11252.8457289701. The cubic root of 126626537 is about 502.1593767587.

The spelling of 126626537 in words is "one hundred twenty-six million, six hundred twenty-six thousand, five hundred thirty-seven".