122844740 has 12 divisors (see below), whose sum is σ = 257973996. Its totient is φ = 49137888.

The previous prime is 122844739. The next prime is 122844751. The reversal of 122844740 is 47448221.

It can be written as a sum of positive squares in 2 ways, for example, as 23483716 + 99361024 = 4846^2 + 9968^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 122844697 and 122844706.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3071099 + ... + 3071138.

It is an arithmetic number, because the mean of its divisors is an integer number (21497833).

Almost surely, 2^122844740 is an apocalyptic number.

122844740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122844740 is an abundant number, since it is smaller than the sum of its proper divisors (135129256).

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

122844740 is a wasteful number, since it uses less digits than its factorization.

122844740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6142246 (or 6142244 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 122844740 is about 11083.5346347634. The cubic root of 122844740 is about 497.1096438783.

The spelling of 122844740 in words is "one hundred twenty-two million, eight hundred forty-four thousand, seven hundred forty".