122449920 has 104 divisors (see below), whose sum is σ = 391988496. Its totient is φ = 32636928.

The previous prime is 122449891. The next prime is 122449949. The reversal of 122449920 is 29944221.

It is an interprime number because it is at equal distance from previous prime (122449891) and next prime (122449949).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60444 + ... + 62436.

Almost surely, 2^122449920 is an apocalyptic number.

122449920 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 122449920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195994248).

122449920 is an abundant number, since it is smaller than the sum of its proper divisors (269538576).

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

122449920 is an equidigital number, since it uses as much as digits as its factorization.

122449920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025 (or 2003 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 122449920 is about 11065.7091955283. The cubic root of 122449920 is about 496.5765062131.

The spelling of 122449920 in words is "one hundred twenty-two million, four hundred forty-nine thousand, nine hundred twenty".