126491232 has 96 divisors (see below), whose sum is σ = 388813824. Its totient is φ = 35251200.

The previous prime is 126491207. The next prime is 126491249. The reversal of 126491232 is 232194621.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 126491232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25257 + ... + 29847.

It is an arithmetic number, because the mean of its divisors is an integer number (4050144).

Almost surely, 2^126491232 is an apocalyptic number.

126491232 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 126491232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194406912).

126491232 is an abundant number, since it is smaller than the sum of its proper divisors (262322592).

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

126491232 is a wasteful number, since it uses less digits than its factorization.

126491232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4652 (or 4644 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 126491232 is about 11246.8320873035. The cubic root of 126491232 is about 501.9804545757.

The spelling of 126491232 in words is "one hundred twenty-six million, four hundred ninety-one thousand, two hundred thirty-two".