122044720 has 40 divisors (see below), whose sum is σ = 324291744. Its totient is φ = 41843712.

The previous prime is 122044687. The next prime is 122044723. The reversal of 122044720 is 27440221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 122044691 and 122044700.

It is not an unprimeable number, because it can be changed into a prime (122044723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108409 + ... + 109528.

Almost surely, 2^122044720 is an apocalyptic number.

122044720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122044720 is an abundant number, since it is smaller than the sum of its proper divisors (202247024).

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

122044720 is a wasteful number, since it uses less digits than its factorization.

122044720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217957 (or 217951 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 122044720 is about 11047.3852109900. The cubic root of 122044720 is about 496.0281591713.

Adding to 122044720 its reverse (27440221), we get a palindrome (149484941).

The spelling of 122044720 in words is "one hundred twenty-two million, forty-four thousand, seven hundred twenty".