122279760 has 80 divisors (see below), whose sum is σ = 421193280. Its totient is φ = 32607360.

The previous prime is 122279749. The next prime is 122279771. The reversal of 122279760 is 67972221.

It is an interprime number because it is at equal distance from previous prime (122279749) and next prime (122279771).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26146 + ... + 30465.

It is an arithmetic number, because the mean of its divisors is an integer number (5264916).

Almost surely, 2^122279760 is an apocalyptic number.

122279760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122279760 is an abundant number, since it is smaller than the sum of its proper divisors (298913520).

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

122279760 is a wasteful number, since it uses less digits than its factorization.

122279760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56633 (or 56621 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 122279760 is about 11058.0179055742. The cubic root of 122279760 is about 496.3463804915.

The spelling of 122279760 in words is "one hundred twenty-two million, two hundred seventy-nine thousand, seven hundred sixty".