126664044 has 48 divisors (see below), whose sum is σ = 321414912. Its totient is φ = 38590272.

The previous prime is 126664039. The next prime is 126664049. The reversal of 126664044 is 440466621.

It is an interprime number because it is at equal distance from previous prime (126664039) and next prime (126664049).

It is a junction number, because it is equal to n+sod(n) for n = 126663996 and 126664014.

It is not an unprimeable number, because it can be changed into a prime (126664049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12127 + ... + 20009.

It is an arithmetic number, because the mean of its divisors is an integer number (6696144).

Almost surely, 2^126664044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126664044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160707456).

126664044 is an abundant number, since it is smaller than the sum of its proper divisors (194750868).

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

126664044 is a wasteful number, since it uses less digits than its factorization.

126664044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8006 (or 8004 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 126664044 is about 11254.5121617954. The cubic root of 126664044 is about 502.2089520239.

The spelling of 126664044 in words is "one hundred twenty-six million, six hundred sixty-four thousand, forty-four".