122111040 has 112 divisors (see below), whose sum is σ = 389900160. Its totient is φ = 32378880.

The previous prime is 122111039. The next prime is 122111057. The reversal of 122111040 is 40111221.

It is a happy number.

It is a super-2 number, since 2×122111040² = 29822212179763200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298356 + ... + 298764.

Almost surely, 2^122111040 is an apocalyptic number.

122111040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122111040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194950080).

122111040 is an abundant number, since it is smaller than the sum of its proper divisors (267789120).

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

122111040 is a wasteful number, since it uses less digits than its factorization.

122111040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 122111040 is about 11050.3864185828. The cubic root of 122111040 is about 496.1179913535.

Adding to 122111040 its reverse (40111221), we get a palindrome (162222261).

The spelling of 122111040 in words is "one hundred twenty-two million, one hundred eleven thousand, forty".