1122707880 has 384 divisors, whose sum is σ = 4488307200. Its totient is φ = 237551616.

The previous prime is 1122707857. The next prime is 1122707923. The reversal of 1122707880 is 887072211.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3127141 + ... + 3127499.

It is an arithmetic number, because the mean of its divisors is an integer number (11688300).

Almost surely, 2^1122707880 is an apocalyptic number.

1122707880 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 1122707880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2244153600).

1122707880 is an abundant number, since it is smaller than the sum of its proper divisors (3365599320).

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

1122707880 is a wasteful number, since it uses less digits than its factorization.

1122707880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 1122707880 is about 33506.8333329188. The cubic root of 1122707880 is about 1039.3350902757.

The spelling of 1122707880 in words is "one billion, one hundred twenty-two million, seven hundred seven thousand, eight hundred eighty".