122445020 has 12 divisors (see below), whose sum is σ = 257134584. Its totient is φ = 48978000.

The previous prime is 122445019. The next prime is 122445049. The reversal of 122445020 is 20544221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 6122251 = 122445020 / (1 + 2 + 2 + 4 + 4 + 5 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 122444983 and 122445001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3061106 + ... + 3061145.

It is an arithmetic number, because the mean of its divisors is an integer number (21427882).

Almost surely, 2^122445020 is an apocalyptic number.

122445020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122445020 is an abundant number, since it is smaller than the sum of its proper divisors (134689564).

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

122445020 is a wasteful number, since it uses less digits than its factorization.

122445020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6122260 (or 6122258 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 122445020 is about 11065.4877886156. The cubic root of 122445020 is about 496.5698823968.

Adding to 122445020 its reverse (20544221), we get a palindrome (142989241).

The spelling of 122445020 in words is "one hundred twenty-two million, four hundred forty-five thousand, twenty".