122431050520 has 32 divisors (see below), whose sum is σ = 275810443200. Its totient is φ = 48911872768.

The previous prime is 122431050439. The next prime is 122431050529. The reversal of 122431050520 is 25050134221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122431050529) 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, 1859344 + ... + 1924063.

It is an arithmetic number, because the mean of its divisors is an integer number (8619076350).

Almost surely, 2^122431050520 is an apocalyptic number.

122431050520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122431050520 is an abundant number, since it is smaller than the sum of its proper divisors (153379392680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122431050520 is a wasteful number, since it uses less digits than its factorization.

122431050520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784227 (or 3784223 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 122431050520 its reverse (25050134221), we get a palindrome (147481184741).

The spelling of 122431050520 in words is "one hundred twenty-two billion, four hundred thirty-one million, fifty thousand, five hundred twenty".