120893021953 has 4 divisors (see below), whose sum is σ = 131883296688. Its totient is φ = 109902747220.

The previous prime is 120893021947. The next prime is 120893021971. The reversal of 120893021953 is 359120398021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120893021953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120893021983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5495137351 + ... + 5495137372.

It is an arithmetic number, because the mean of its divisors is an integer number (32970824172).

Almost surely, 2^120893021953 is an apocalyptic number.

It is an amenable number.

120893021953 is a deficient number, since it is larger than the sum of its proper divisors (10990274735).

120893021953 is a wasteful number, since it uses less digits than its factorization.

120893021953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10990274734.

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 120893021953 in words is "one hundred twenty billion, eight hundred ninety-three million, twenty-one thousand, nine hundred fifty-three".