120045138351 has 4 divisors (see below), whose sum is σ = 160060184472. Its totient is φ = 80030092232.

The previous prime is 120045138347. The next prime is 120045138373. The reversal of 120045138351 is 153831540021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120045138351 - 2² = 120045138347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120045238351) 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, 20007523056 + ... + 20007523061.

It is an arithmetic number, because the mean of its divisors is an integer number (40015046118).

Almost surely, 2^120045138351 is an apocalyptic number.

120045138351 is a deficient number, since it is larger than the sum of its proper divisors (40015046121).

120045138351 is an equidigital number, since it uses as much as digits as its factorization.

120045138351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40015046120.

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 120045138351 its reverse (153831540021), we get a palindrome (273876678372).

The spelling of 120045138351 in words is "one hundred twenty billion, forty-five million, one hundred thirty-eight thousand, three hundred fifty-one".