126257164 has 36 divisors (see below), whose sum is σ = 256074840. Its totient is φ = 54008320.

The previous prime is 126257123. The next prime is 126257231. The reversal of 126257164 is 461752621.

It is a super-2 number, since 2×126257164² = 31881742922645792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7752 + ... + 17680.

It is an arithmetic number, because the mean of its divisors is an integer number (7113190).

Almost surely, 2^126257164 is an apocalyptic number.

It is an amenable number.

126257164 is an abundant number, since it is smaller than the sum of its proper divisors (129817676).

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

126257164 is a wasteful number, since it uses less digits than its factorization.

126257164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9978 (or 9959 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 126257164 is about 11236.4213164156. The cubic root of 126257164 is about 501.6706304376.

The spelling of 126257164 in words is "one hundred twenty-six million, two hundred fifty-seven thousand, one hundred sixty-four".