123126162734 has 16 divisors (see below), whose sum is σ = 184902600960. Its totient is φ = 61492005120.

The previous prime is 123126162697. The next prime is 123126162751. The reversal of 123126162734 is 437261621321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7031462 + ... + 7048950.

It is an arithmetic number, because the mean of its divisors is an integer number (11556412560).

Almost surely, 2^123126162734 is an apocalyptic number.

123126162734 is a deficient number, since it is larger than the sum of its proper divisors (61776438226).

123126162734 is a wasteful number, since it uses less digits than its factorization.

123126162734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21355.

The product of its digits is 72576, while the sum is 38.

The spelling of 123126162734 in words is "one hundred twenty-three billion, one hundred twenty-six million, one hundred sixty-two thousand, seven hundred thirty-four".