122135020 has 24 divisors (see below), whose sum is σ = 293124384. Its totient is φ = 41874816.

The previous prime is 122135003. The next prime is 122135051. The reversal of 122135020 is 20531221.

It is a super-2 number, since 2×122135020² = 29833926220800800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122134985 and 122135003.

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, 436057 + ... + 436336.

It is an arithmetic number, because the mean of its divisors is an integer number (12213516).

Almost surely, 2^122135020 is an apocalyptic number.

122135020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122135020 is an abundant number, since it is smaller than the sum of its proper divisors (170989364).

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

122135020 is a wasteful number, since it uses less digits than its factorization.

122135020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872409 (or 872407 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 122135020 is about 11051.4713952487. The cubic root of 122135020 is about 496.1504648868.

Adding to 122135020 its reverse (20531221), we get a palindrome (142666241).

The spelling of 122135020 in words is "one hundred twenty-two million, one hundred thirty-five thousand, twenty".