122043402 has 32 divisors (see below), whose sum is σ = 292071360. Its totient is φ = 37551600.

The previous prime is 122043401. The next prime is 122043421. The reversal of 122043402 is 204340221.

122043402 is a `hidden beast` number, since 1 + 220 + 43 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (122043401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86224 + ... + 87627.

It is an arithmetic number, because the mean of its divisors is an integer number (9127230).

Almost surely, 2^122043402 is an apocalyptic number.

122043402 is an abundant number, since it is smaller than the sum of its proper divisors (170027958).

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

122043402 is a wasteful number, since it uses less digits than its factorization.

122043402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173875 (or 173869 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 122043402 is about 11047.3255587042. The cubic root of 122043402 is about 496.0263735759.

Adding to 122043402 its reverse (204340221), we get a palindrome (326383623).

The spelling of 122043402 in words is "one hundred twenty-two million, forty-three thousand, four hundred two".