1171435480 has 64 divisors (see below), whose sum is σ = 2672467200. Its totient is φ = 462084480.

The previous prime is 1171435469. The next prime is 1171435487. The reversal of 1171435480 is 845341711.

It is a super-2 number, since 2×1171435480² = 2744522167605660800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171435487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1363291 + ... + 1364149.

It is an arithmetic number, because the mean of its divisors is an integer number (41757300).

Almost surely, 2^1171435480 is an apocalyptic number.

1171435480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1171435480 is an abundant number, since it is smaller than the sum of its proper divisors (1501031720).

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

1171435480 is a wasteful number, since it uses less digits than its factorization.

1171435480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 1171435480 is about 34226.2396415382. The cubic root of 1171435480 is about 1054.1590087365.

The spelling of 1171435480 in words is "one billion, one hundred seventy-one million, four hundred thirty-five thousand, four hundred eighty".