120237993 has 8 divisors (see below), whose sum is σ = 178130400. Its totient is φ = 80158644.

The previous prime is 120237983. The next prime is 120238007. The reversal of 120237993 is 399732021.

It is not a de Polignac number, because 120237993 - 2⁵ = 120237961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120237983) 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, 2226603 + ... + 2226656.

It is an arithmetic number, because the mean of its divisors is an integer number (22266300).

Almost surely, 2^120237993 is an apocalyptic number.

It is an amenable number.

120237993 is a deficient number, since it is larger than the sum of its proper divisors (57892407).

120237993 is an equidigital number, since it uses as much as digits as its factorization.

120237993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4453268 (or 4453262 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 120237993 is about 10965.3086139880. The cubic root of 120237993 is about 493.5682779857.

The spelling of 120237993 in words is "one hundred twenty million, two hundred thirty-seven thousand, nine hundred ninety-three".