126388626 has 32 divisors (see below), whose sum is σ = 311111808. Its totient is φ = 33333120.

The previous prime is 126388621. The next prime is 126388631. The reversal of 126388626 is 626883621.

It is an interprime number because it is at equal distance from previous prime (126388621) and next prime (126388631).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (126388621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115195 + ... + 116286.

It is an arithmetic number, because the mean of its divisors is an integer number (9722244).

Almost surely, 2^126388626 is an apocalyptic number.

126388626 is an abundant number, since it is smaller than the sum of its proper divisors (184723182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126388626 is a wasteful number, since it uses less digits than its factorization.

126388626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231506.

The product of its digits is 165888, while the sum is 42.

The square root of 126388626 is about 11242.2696107147. The cubic root of 126388626 is about 501.8446872218.

The spelling of 126388626 in words is "one hundred twenty-six million, three hundred eighty-eight thousand, six hundred twenty-six".