122142552 has 64 divisors (see below), whose sum is σ = 369515520. Its totient is φ = 32844288.

The previous prime is 122142529. The next prime is 122142593. The reversal of 122142552 is 255241221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18528 + ... + 24239.

It is an arithmetic number, because the mean of its divisors is an integer number (5773680).

Almost surely, 2^122142552 is an apocalyptic number.

122142552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122142552 is an abundant number, since it is smaller than the sum of its proper divisors (247372968).

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

122142552 is a wasteful number, since it uses less digits than its factorization.

122142552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42800 (or 42796 counting only the distinct ones).

The product of its digits is 1600, while the sum is 24.

The square root of 122142552 is about 11051.8121590986. The cubic root of 122142552 is about 496.1606637865.

Adding to 122142552 its reverse (255241221), we get a palindrome (377383773).

The spelling of 122142552 in words is "one hundred twenty-two million, one hundred forty-two thousand, five hundred fifty-two".