1167391240 has 16 divisors (see below), whose sum is σ = 2626630380. Its totient is φ = 466956480.

The previous prime is 1167391157. The next prime is 1167391261. The reversal of 1167391240 is 421937611.

It can be written as a sum of positive squares in 2 ways, for example, as 1161310084 + 6081156 = 34078^2 + 2466^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1167391196 and 1167391205.

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 3 ways as a sum of consecutive naturals, for example, 14592351 + ... + 14592430.

Almost surely, 2^1167391240 is an apocalyptic number.

1167391240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1167391240 is an abundant number, since it is smaller than the sum of its proper divisors (1459239140).

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

1167391240 is a wasteful number, since it uses less digits than its factorization.

1167391240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29184792 (or 29184788 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1167391240 is about 34167.1075743909. The cubic root of 1167391240 is about 1052.9444909708.

The spelling of 1167391240 in words is "one billion, one hundred sixty-seven million, three hundred ninety-one thousand, two hundred forty".