122945860 has 24 divisors (see below), whose sum is σ = 259925400. Its totient is φ = 48847104.

The previous prime is 122945831. The next prime is 122945863. The reversal of 122945860 is 68549221.

It can be written as a sum of positive squares in 4 ways, for example, as 2116 + 122943744 = 46^2 + 11088^2 .

It is a super-2 number, since 2×122945860² = 30231368982279200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122945863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17649 + ... + 23608.

It is an arithmetic number, because the mean of its divisors is an integer number (10830225).

Almost surely, 2^122945860 is an apocalyptic number.

122945860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122945860 is an abundant number, since it is smaller than the sum of its proper divisors (136979540).

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

122945860 is a wasteful number, since it uses less digits than its factorization.

122945860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41415 (or 41413 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 122945860 is about 11088.0954180599. The cubic root of 122945860 is about 497.2460055459.

It can be divided in two parts, 1229 and 45860, that added together give a square (47089 = 217²).

The spelling of 122945860 in words is "one hundred twenty-two million, nine hundred forty-five thousand, eight hundred sixty".