122389752 has 32 divisors (see below), whose sum is σ = 306726480. Its totient is φ = 40696320.

The previous prime is 122389733. The next prime is 122389753. The reversal of 122389752 is 257983221.

It is a self number, because there is not a number n which added to its sum of digits gives 122389752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122389753) 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, 4048 + ... + 16160.

Almost surely, 2^122389752 is an apocalyptic number.

122389752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122389752 is an abundant number, since it is smaller than the sum of its proper divisors (184336728).

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

122389752 is a wasteful number, since it uses less digits than its factorization.

122389752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12543 (or 12539 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 122389752 is about 11062.9901925293. The cubic root of 122389752 is about 496.4951589155.

The spelling of 122389752 in words is "one hundred twenty-two million, three hundred eighty-nine thousand, seven hundred fifty-two".