126317492 has 36 divisors (see below), whose sum is σ = 257848164. Its totient is φ = 53988480.

The previous prime is 126317483. The next prime is 126317509. The reversal of 126317492 is 294713621.

It can be written as a sum of positive squares in 2 ways, for example, as 66161956 + 60155536 = 8134^2 + 7756^2 .

It is a super-2 number, since 2×126317492² = 31912217570340128, 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, 101498 + ... + 102734.

It is an arithmetic number, because the mean of its divisors is an integer number (7162449).

Almost surely, 2^126317492 is an apocalyptic number.

It is an amenable number.

126317492 is an abundant number, since it is smaller than the sum of its proper divisors (131530672).

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

126317492 is a wasteful number, since it uses less digits than its factorization.

126317492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776 (or 1767 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 126317492 is about 11239.1054804197. The cubic root of 126317492 is about 501.7505202058.

The spelling of 126317492 in words is "one hundred twenty-six million, three hundred seventeen thousand, four hundred ninety-two".