1119431880 has 128 divisors (see below), whose sum is σ = 4264531200. Its totient is φ = 255868416.

The previous prime is 1119431867. The next prime is 1119431881. The reversal of 1119431880 is 881349111.

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

It is not an unprimeable number, because it can be changed into a prime (1119431881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66477 + ... + 81596.

It is an arithmetic number, because the mean of its divisors is an integer number (33316650).

Almost surely, 2^1119431880 is an apocalyptic number.

1119431880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1119431880 is an abundant number, since it is smaller than the sum of its proper divisors (3145099320).

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

1119431880 is a wasteful number, since it uses less digits than its factorization.

1119431880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148100 (or 148090 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 36.

The square root of 1119431880 is about 33457.9120687469. The cubic root of 1119431880 is about 1038.3231978298.

The spelling of 1119431880 in words is "one billion, one hundred nineteen million, four hundred thirty-one thousand, eight hundred eighty".