120422234551 has 4 divisors (see below), whose sum is σ = 120430135504. Its totient is φ = 120414333600.

The previous prime is 120422234509. The next prime is 120422234629. The reversal of 120422234551 is 155432224021.

It is a happy number.

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 120422234551 - 2⁷ = 120422234423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120422234351) 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, 3927570 + ... + 3958111.

It is an arithmetic number, because the mean of its divisors is an integer number (30107533876).

Almost surely, 2^120422234551 is an apocalyptic number.

120422234551 is a deficient number, since it is larger than the sum of its proper divisors (7900953).

120422234551 is an equidigital number, since it uses as much as digits as its factorization.

120422234551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7900952.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 120422234551 its reverse (155432224021), we get a palindrome (275854458572).

The spelling of 120422234551 in words is "one hundred twenty billion, four hundred twenty-two million, two hundred thirty-four thousand, five hundred fifty-one".