126890232 has 64 divisors (see below), whose sum is σ = 366113280. Its totient is φ = 35897472.

The previous prime is 126890221. The next prime is 126890293. The reversal of 126890232 is 232098621.

It is a happy number.

It is a super-2 number, since 2×126890232² = 32202261954027648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126890193 and 126890202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13638 + ... + 20970.

It is an arithmetic number, because the mean of its divisors is an integer number (5720520).

Almost surely, 2^126890232 is an apocalyptic number.

126890232 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 126890232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183056640).

126890232 is an abundant number, since it is smaller than the sum of its proper divisors (239223048).

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

126890232 is a wasteful number, since it uses less digits than its factorization.

126890232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7452 (or 7448 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 126890232 is about 11264.5564493237. The cubic root of 126890232 is about 502.5077110769.

The spelling of 126890232 in words is "one hundred twenty-six million, eight hundred ninety thousand, two hundred thirty-two".