126172934 has 16 divisors (see below), whose sum is σ = 190735776. Its totient is φ = 62596800.

The previous prime is 126172933. The next prime is 126172967. The reversal of 126172934 is 439271621.

It is a junction number, because it is equal to n+sod(n) for n = 126172894 and 126172903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126172933) 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, 258839 + ... + 259325.

It is an arithmetic number, because the mean of its divisors is an integer number (11920986).

Almost surely, 2^126172934 is an apocalyptic number.

126172934 is a deficient number, since it is larger than the sum of its proper divisors (64562842).

126172934 is a wasteful number, since it uses less digits than its factorization.

126172934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231.

The product of its digits is 18144, while the sum is 35.

The square root of 126172934 is about 11232.6726116272. The cubic root of 126172934 is about 501.5590457004.

It can be divided in two parts, 12617 and 2934, that added together give a palindrome (15551).

The spelling of 126172934 in words is "one hundred twenty-six million, one hundred seventy-two thousand, nine hundred thirty-four".