126408172 has 24 divisors (see below), whose sum is σ = 243547920. Its totient is φ = 56928960.

The previous prime is 126408157. The next prime is 126408179. The reversal of 126408172 is 271804621.

It is not an unprimeable number, because it can be changed into a prime (126408179) 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, 8383 + ... + 17974.

It is an arithmetic number, because the mean of its divisors is an integer number (10147830).

Almost surely, 2^126408172 is an apocalyptic number.

It is an amenable number.

126408172 is a deficient number, since it is larger than the sum of its proper divisors (117139748).

126408172 is a wasteful number, since it uses less digits than its factorization.

126408172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26481 (or 26479 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 126408172 is about 11243.1388855604. The cubic root of 126408172 is about 501.8705559806.

The spelling of 126408172 in words is "one hundred twenty-six million, four hundred eight thousand, one hundred seventy-two".