122479500 has 192 divisors, whose sum is σ = 419747328. Its totient is φ = 27360000.

The previous prime is 122479477. The next prime is 122479501. The reversal of 122479500 is 5974221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (122479501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 214215 + ... + 214785.

It is an arithmetic number, because the mean of its divisors is an integer number (2186184).

Almost surely, 2^122479500 is an apocalyptic number.

122479500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122479500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209873664).

122479500 is an abundant number, since it is smaller than the sum of its proper divisors (297267828).

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

122479500 is a wasteful number, since it uses less digits than its factorization.

122479500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 122479500 is about 11067.0456762408. The cubic root of 122479500 is about 496.6164886822.

The spelling of 122479500 in words is "one hundred twenty-two million, four hundred seventy-nine thousand, five hundred".