122018004 has 36 divisors (see below), whose sum is σ = 315611296. Its totient is φ = 39726288.

The previous prime is 122018003. The next prime is 122018033. The reversal of 122018004 is 400810221.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122018003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37864 + ... + 40959.

Almost surely, 2^122018004 is an apocalyptic number.

It is an amenable number.

122018004 is an abundant number, since it is smaller than the sum of its proper divisors (193593292).

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

122018004 is a wasteful number, since it uses less digits than its factorization.

122018004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78876 (or 78871 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 122018004 is about 11046.1759899071. The cubic root of 122018004 is about 495.9919624521.

Adding to 122018004 its reverse (400810221), we get a palindrome (522828225).

The spelling of 122018004 in words is "one hundred twenty-two million, eighteen thousand, four".