1178480 has 20 divisors (see below), whose sum is σ = 2740152. Its totient is φ = 471360.

The previous prime is 1178479. The next prime is 1178483. The reversal of 1178480 is 848711.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1178480² = 2777630220800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1178483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7286 + ... + 7445.

2^1178480 is an apocalyptic number.

1178480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1178480 is an abundant number, since it is smaller than the sum of its proper divisors (1561672).

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

1178480 is a wasteful number, since it uses less digits than its factorization.

1178480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14744 (or 14738 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 1178480 is about 1085.5781869585. The cubic root of 1178480 is about 105.6267876639.

The spelling of 1178480 in words is "one million, one hundred seventy-eight thousand, four hundred eighty".