126979100 has 36 divisors (see below), whose sum is σ = 284440128. Its totient is φ = 49152000.

The previous prime is 126979063. The next prime is 126979133. The reversal of 126979100 is 1979621.

It is a super-2 number, since 2×126979100² = 32247383673620000, which contains 22 as substring.

It is a congruent number.

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, 17381 + ... + 23580.

Almost surely, 2^126979100 is an apocalyptic number.

126979100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126979100 is an abundant number, since it is smaller than the sum of its proper divisors (157461028).

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

126979100 is a wasteful number, since it uses less digits than its factorization.

126979100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41006 (or 40999 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 126979100 is about 11268.5003438789. The cubic root of 126979100 is about 502.6249946887.

The spelling of 126979100 in words is "one hundred twenty-six million, nine hundred seventy-nine thousand, one hundred".