126992022 has 16 divisors (see below), whose sum is σ = 254150832. Its totient is φ = 42302880.

The previous prime is 126991961. The next prime is 126992051. The reversal of 126992022 is 220299621.

It is a super-2 number, since 2×126992022² = 32253947303296968, 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 7 ways as a sum of consecutive naturals, for example, 4368 + ... + 16524.

It is an arithmetic number, because the mean of its divisors is an integer number (15884427).

Almost surely, 2^126992022 is an apocalyptic number.

126992022 is an abundant number, since it is smaller than the sum of its proper divisors (127158810).

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

126992022 is a wasteful number, since it uses less digits than its factorization.

126992022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13903.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 126992022 is about 11269.0736975139. The cubic root of 126992022 is about 502.6420439508.

The spelling of 126992022 in words is "one hundred twenty-six million, nine hundred ninety-two thousand, twenty-two".