126104172 has 24 divisors (see below), whose sum is σ = 299796336. Its totient is φ = 41241408.

The previous prime is 126104161. The next prime is 126104179. The reversal of 126104172 is 271401621.

It is not an unprimeable number, because it can be changed into a prime (126104179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98503 + ... + 99774.

It is an arithmetic number, because the mean of its divisors is an integer number (12491514).

Almost surely, 2^126104172 is an apocalyptic number.

126104172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126104172 is an abundant number, since it is smaller than the sum of its proper divisors (173692164).

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

126104172 is a wasteful number, since it uses less digits than its factorization.

126104172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198337 (or 198335 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 126104172 is about 11229.6113913172. The cubic root of 126104172 is about 501.4679155638.

Adding to 126104172 its reverse (271401621), we get a palindrome (397505793).

The spelling of 126104172 in words is "one hundred twenty-six million, one hundred four thousand, one hundred seventy-two".