126641996 has 24 divisors (see below), whose sum is σ = 239057280. Its totient is φ = 58355712.

The previous prime is 126641971. The next prime is 126642001. The reversal of 126641996 is 699146621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38405 + ... + 41571.

It is an arithmetic number, because the mean of its divisors is an integer number (9960720).

Almost surely, 2^126641996 is an apocalyptic number.

It is an amenable number.

126641996 is a deficient number, since it is larger than the sum of its proper divisors (112415284).

126641996 is a wasteful number, since it uses less digits than its factorization.

126641996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953 (or 3951 counting only the distinct ones).

The product of its digits is 139968, while the sum is 44.

The square root of 126641996 is about 11253.5326009214. The cubic root of 126641996 is about 502.1798110376.

The spelling of 126641996 in words is "one hundred twenty-six million, six hundred forty-one thousand, nine hundred ninety-six".