1122880380 has 48 divisors (see below), whose sum is σ = 3147669504. Its totient is φ = 299091520.

The previous prime is 1122880361. The next prime is 1122880397. The reversal of 1122880380 is 830882211.

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, 44389 + ... + 64931.

It is an arithmetic number, because the mean of its divisors is an integer number (65576448).

Almost surely, 2^1122880380 is an apocalyptic number.

1122880380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122880380 is an abundant number, since it is smaller than the sum of its proper divisors (2024789124).

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

1122880380 is a wasteful number, since it uses less digits than its factorization.

1122880380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21466 (or 21464 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 1122880380 is about 33509.4073358512. The cubic root of 1122880380 is about 1039.3883175740.

The spelling of 1122880380 in words is "one billion, one hundred twenty-two million, eight hundred eighty thousand, three hundred eighty".