120127381983 has 24 divisors (see below), whose sum is σ = 198469129248. Its totient is φ = 68587584192.

The previous prime is 120127381967. The next prime is 120127382003. The reversal of 120127381983 is 389183721021.

It is not a de Polignac number, because 120127381983 - 2⁴ = 120127381967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120127381903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 709560 + ... + 862397.

It is an arithmetic number, because the mean of its divisors is an integer number (8269547052).

Almost surely, 2^120127381983 is an apocalyptic number.

120127381983 is a deficient number, since it is larger than the sum of its proper divisors (78341747265).

120127381983 is a wasteful number, since it uses less digits than its factorization.

120127381983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573183 (or 1573180 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 120127381983 in words is "one hundred twenty billion, one hundred twenty-seven million, three hundred eighty-one thousand, nine hundred eighty-three".