1171374480 has 160 divisors (see below), whose sum is σ = 4054204800. Its totient is φ = 310860288.

The previous prime is 1171374439. The next prime is 1171374487. The reversal of 1171374480 is 844731711.

1171374480 is a `hidden beast` number, since 1 + 171 + 3 + 7 + 4 + 480 = 666.

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 (1171374487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 489126 + ... + 491514.

It is an arithmetic number, because the mean of its divisors is an integer number (25338780).

Almost surely, 2^1171374480 is an apocalyptic number.

1171374480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1171374480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2027102400).

1171374480 is an abundant number, since it is smaller than the sum of its proper divisors (2882830320).

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

1171374480 is a wasteful number, since it uses less digits than its factorization.

1171374480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638 (or 2626 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 1171374480 is about 34225.3485007823. The cubic root of 1171374480 is about 1054.1407107262.

The spelling of 1171374480 in words is "one billion, one hundred seventy-one million, three hundred seventy-four thousand, four hundred eighty".