126431104 has 32 divisors (see below), whose sum is σ = 252419400. Its totient is φ = 63078912.

The previous prime is 126431087. The next prime is 126431143. The reversal of 126431104 is 401134621.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85927 + ... + 87385.

Almost surely, 2^126431104 is an apocalyptic number.

It is an amenable number.

126431104 is a deficient number, since it is larger than the sum of its proper divisors (125988296).

126431104 is an equidigital number, since it uses as much as digits as its factorization.

126431104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150 (or 2138 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 126431104 is about 11244.1586612783. The cubic root of 126431104 is about 501.9009026465.

Adding to 126431104 its reverse (401134621), we get a palindrome (527565725).

The spelling of 126431104 in words is "one hundred twenty-six million, four hundred thirty-one thousand, one hundred four".