1171213480 has 32 divisors (see below), whose sum is σ = 2720240640. Its totient is φ = 453372480.

The previous prime is 1171213441. The next prime is 1171213499. The reversal of 1171213480 is 843121711.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471024 + ... + 473503.

It is an arithmetic number, because the mean of its divisors is an integer number (85007520).

Almost surely, 2^1171213480 is an apocalyptic number.

1171213480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1171213480 is an abundant number, since it is smaller than the sum of its proper divisors (1549027160).

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

1171213480 is a wasteful number, since it uses less digits than its factorization.

1171213480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944569 (or 944565 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1171213480 is about 34222.9963620955. The cubic root of 1171213480 is about 1054.0924129263.

The spelling of 1171213480 in words is "one billion, one hundred seventy-one million, two hundred thirteen thousand, four hundred eighty".