1189160740 has 24 divisors (see below), whose sum is σ = 2504057472. Its totient is φ = 474365280.

The previous prime is 1189160719. The next prime is 1189160801. The reversal of 1189160740 is 470619811.

It is a self number, because there is not a number n which added to its sum of digits gives 1189160740.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 73666 + ... + 88345.

It is an arithmetic number, because the mean of its divisors is an integer number (104335728).

Almost surely, 2^1189160740 is an apocalyptic number.

1189160740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1189160740 is an abundant number, since it is smaller than the sum of its proper divisors (1314896732).

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

1189160740 is a wasteful number, since it uses less digits than its factorization.

1189160740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162387 (or 162385 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 1189160740 is about 34484.2100098001. The cubic root of 1189160740 is about 1059.4493223701.

The spelling of 1189160740 in words is "one billion, one hundred eighty-nine million, one hundred sixty thousand, seven hundred forty".