122021432 has 16 divisors (see below), whose sum is σ = 246389640. Its totient is φ = 56317536.

The previous prime is 122021429. The next prime is 122021437. The reversal of 122021432 is 234120221.

It is a self number, because there is not a number n which added to its sum of digits gives 122021432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021437) 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, 586538 + ... + 586745.

Almost surely, 2^122021432 is an apocalyptic number.

It is an amenable number.

122021432 is an abundant number, since it is smaller than the sum of its proper divisors (124368208).

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

122021432 is a wasteful number, since it uses less digits than its factorization.

122021432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173302 (or 1173298 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 122021432 is about 11046.3311556372. The cubic root of 122021432 is about 495.9966072435.

Adding to 122021432 its reverse (234120221), we get a palindrome (356141653).

The spelling of 122021432 in words is "one hundred twenty-two million, twenty-one thousand, four hundred thirty-two".