122073520 has 40 divisors (see below), whose sum is σ = 287722656. Its totient is φ = 48158208.

The previous prime is 122073509. The next prime is 122073521. The reversal of 122073520 is 25370221.

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 = 122073491 and 122073500.

It is not an unprimeable number, because it can be changed into a prime (122073521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4612 + ... + 16291.

Almost surely, 2^122073520 is an apocalyptic number.

122073520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122073520 is an abundant number, since it is smaller than the sum of its proper divisors (165649136).

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

122073520 is a wasteful number, since it uses less digits than its factorization.

122073520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20989 (or 20983 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 122073520 is about 11048.6886099663. The cubic root of 122073520 is about 496.0671735245.

The spelling of 122073520 in words is "one hundred twenty-two million, seventy-three thousand, five hundred twenty".