120740777844 has 12 divisors (see below), whose sum is σ = 281728481664. Its totient is φ = 40246925944.

The previous prime is 120740777819. The next prime is 120740777863. The reversal of 120740777844 is 448777047021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×120740777844² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5030865732 + ... + 5030865755.

It is an arithmetic number, because the mean of its divisors is an integer number (23477373472).

Almost surely, 2^120740777844 is an apocalyptic number.

It is an amenable number.

120740777844 is an abundant number, since it is smaller than the sum of its proper divisors (160987703820).

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

120740777844 is a wasteful number, since it uses less digits than its factorization.

120740777844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10061731494 (or 10061731492 counting only the distinct ones).

The product of its (nonzero) digits is 2458624, while the sum is 51.

The spelling of 120740777844 in words is "one hundred twenty billion, seven hundred forty million, seven hundred seventy-seven thousand, eight hundred forty-four".