122445800 has 24 divisors (see below), whose sum is σ = 284686950. Its totient is φ = 48978240.

The previous prime is 122445797. The next prime is 122445821. The reversal of 122445800 is 8544221.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 101082916 + 21362884 = 10054^2 + 4622^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122445800.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305915 + ... + 306314.

Almost surely, 2^122445800 is an apocalyptic number.

122445800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122445800 is an abundant number, since it is smaller than the sum of its proper divisors (162241150).

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

122445800 is a wasteful number, since it uses less digits than its factorization.

122445800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612245 (or 612236 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 122445800 is about 11065.5230332777. The cubic root of 122445800 is about 496.5709368120.

The spelling of 122445800 in words is "one hundred twenty-two million, four hundred forty-five thousand, eight hundred".