126261232 has 40 divisors (see below), whose sum is σ = 261392000. Its totient is φ = 58905792.

The previous prime is 126261221. The next prime is 126261253. The reversal of 126261232 is 232162621.

It is a junction number, because it is equal to n+sod(n) for n = 126261197 and 126261206.

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, 17269 + ... + 23467.

It is an arithmetic number, because the mean of its divisors is an integer number (6534800).

Almost surely, 2^126261232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126261232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130696000).

126261232 is an abundant number, since it is smaller than the sum of its proper divisors (135130768).

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

126261232 is a wasteful number, since it uses less digits than its factorization.

126261232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6293 (or 6287 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 126261232 is about 11236.6023334458. The cubic root of 126261232 is about 501.6760183146.

The spelling of 126261232 in words is "one hundred twenty-six million, two hundred sixty-one thousand, two hundred thirty-two".