122117040 has 60 divisors (see below), whose sum is σ = 410112144. Its totient is φ = 32564352.

The previous prime is 122117027. The next prime is 122117041. The reversal of 122117040 is 40711221.

It is a tau number, because it is divible by the number of its divisors (60).

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 (122117041) 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, 84084 + ... + 85523.

Almost surely, 2^122117040 is an apocalyptic number.

122117040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122117040 is an abundant number, since it is smaller than the sum of its proper divisors (287995104).

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

122117040 is a wasteful number, since it uses less digits than its factorization.

122117040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169626 (or 169617 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 122117040 is about 11050.6578989669. The cubic root of 122117040 is about 496.1261169066.

Adding to 122117040 its reverse (40711221), we get a palindrome (162828261).

The spelling of 122117040 in words is "one hundred twenty-two million, one hundred seventeen thousand, forty".