122030520 has 32 divisors (see below), whose sum is σ = 366091920. Its totient is φ = 32541440.

The previous prime is 122030509. The next prime is 122030533. The reversal of 122030520 is 25030221.

It is a super-3 number, since 3×122030520³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122030520.

It is a congruent number.

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, 508341 + ... + 508580.

Almost surely, 2^122030520 is an apocalyptic number.

122030520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122030520 is an abundant number, since it is smaller than the sum of its proper divisors (244061400).

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

122030520 is a wasteful number, since it uses less digits than its factorization.

122030520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016935 (or 1016931 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 122030520 is about 11046.7425062776. The cubic root of 122030520 is about 496.0089206686.

Adding to 122030520 its reverse (25030221), we get a palindrome (147060741).

The spelling of 122030520 in words is "one hundred twenty-two million, thirty thousand, five hundred twenty".