126939792 has 120 divisors (see below), whose sum is σ = 393998592. Its totient is φ = 35078400.

The previous prime is 126939781. The next prime is 126939847. The reversal of 126939792 is 297939621.

It is a super-2 number, since 2×126939792² = 32227421586006528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72042 + ... + 73782.

Almost surely, 2^126939792 is an apocalyptic number.

126939792 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 126939792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196999296).

126939792 is an abundant number, since it is smaller than the sum of its proper divisors (267058800).

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

126939792 is a wasteful number, since it uses less digits than its factorization.

126939792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797 (or 1784 counting only the distinct ones).

The product of its digits is 367416, while the sum is 48.

The square root of 126939792 is about 11266.7560548722. The cubic root of 126939792 is about 502.5731246767.

The spelling of 126939792 in words is "one hundred twenty-six million, nine hundred thirty-nine thousand, seven hundred ninety-two".