126990912 has 112 divisors (see below), whose sum is σ = 354787200. Its totient is φ = 40009728.

The previous prime is 126990907. The next prime is 126990923. The reversal of 126990912 is 219099621.

It is a super-2 number, since 2×126990912² = 32253383461183488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657888 + ... + 658080.

Almost surely, 2^126990912 is an apocalyptic number.

126990912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126990912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177393600).

126990912 is an abundant number, since it is smaller than the sum of its proper divisors (227796288).

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

126990912 is a wasteful number, since it uses less digits than its factorization.

126990912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 126990912 is about 11269.0244475731. The cubic root of 126990912 is about 502.6405794644.

The spelling of 126990912 in words is "one hundred twenty-six million, nine hundred ninety thousand, nine hundred twelve".