122330540 has 24 divisors (see below), whose sum is σ = 257820192. Its totient is φ = 48755840.

The previous prime is 122330539. The next prime is 122330561. The reversal of 122330540 is 45033221.

It is a happy number.

It is a super-2 number, since 2×122330540² = 29929522033383200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5264 + ... + 16503.

It is an arithmetic number, because the mean of its divisors is an integer number (10742508).

Almost surely, 2^122330540 is an apocalyptic number.

122330540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122330540 is an abundant number, since it is smaller than the sum of its proper divisors (135489652).

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

122330540 is a wasteful number, since it uses less digits than its factorization.

122330540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22057 (or 22055 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 122330540 is about 11060.3137387689. The cubic root of 122330540 is about 496.4150780996.

Adding to 122330540 its reverse (45033221), we get a palindrome (167363761).

The spelling of 122330540 in words is "one hundred twenty-two million, three hundred thirty thousand, five hundred forty".