126120073723256 has 32 divisors (see below), whose sum is σ = 238358448306000. Its totient is φ = 62558136625920.

The previous prime is 126120073723229. The next prime is 126120073723261. The reversal of 126120073723256 is 652327370021621.

It is a self number, because there is not a number n which added to its sum of digits gives 126120073723256.

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, 16539575 + ... + 22930278.

Almost surely, 2^{126120073723256} is an apocalyptic number.

It is an amenable number.

126120073723256 is a deficient number, since it is larger than the sum of its proper divisors (112238374582744).

126120073723256 is a wasteful number, since it uses less digits than its factorization.

126120073723256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39473039 (or 39473035 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 126120073723256 in words is "one hundred twenty-six trillion, one hundred twenty billion, seventy-three million, seven hundred twenty-three thousand, two hundred fifty-six".