126502992 has 160 divisors (see below), whose sum is σ = 452828160. Its totient is φ = 32849280.

The previous prime is 126502979. The next prime is 126503009. The reversal of 126502992 is 299205621.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31363 + ... + 35165.

It is an arithmetic number, because the mean of its divisors is an integer number (2830176).

Almost surely, 2^126502992 is an apocalyptic number.

126502992 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 126502992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226414080).

126502992 is an abundant number, since it is smaller than the sum of its proper divisors (326325168).

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

126502992 is a wasteful number, since it uses less digits than its factorization.

126502992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3838 (or 3826 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 126502992 is about 11247.3548890395. The cubic root of 126502992 is about 501.9960106136.

The spelling of 126502992 in words is "one hundred twenty-six million, five hundred two thousand, nine hundred ninety-two".