126191232 has 48 divisors (see below), whose sum is σ = 363131730. Its totient is φ = 42063360.

The previous prime is 126191227. The next prime is 126191237. The reversal of 126191232 is 232191621.

126191232 is a `hidden beast` number, since 1 + 2 + 619 + 12 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (126191227) and next prime (126191237).

It can be written as a sum of positive squares in only one way, i.e., 122412096 + 3779136 = 11064^2 + 1944^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 126191196 and 126191205.

It is not an unprimeable number, because it can be changed into a prime (126191237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53619 + ... + 55922.

Almost surely, 2^126191232 is an apocalyptic number.

126191232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126191232 is an abundant number, since it is smaller than the sum of its proper divisors (236940498).

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

126191232 is a wasteful number, since it uses less digits than its factorization.

126191232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109561 (or 109546 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 126191232 is about 11233.4870810448. The cubic root of 126191232 is about 501.5832904242.

The spelling of 126191232 in words is "one hundred twenty-six million, one hundred ninety-one thousand, two hundred thirty-two".