1173880 has 16 divisors (see below), whose sum is σ = 2641320. Its totient is φ = 469536.

The previous prime is 1173853. The next prime is 1173881. The reversal of 1173880 is 883711.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1173881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14634 + ... + 14713.

2^1173880 is an apocalyptic number.

1173880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1173880 is an abundant number, since it is smaller than the sum of its proper divisors (1467440).

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

1173880 is a wasteful number, since it uses less digits than its factorization.

1173880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29358 (or 29354 counting only the distinct ones).

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

The square root of 1173880 is about 1083.4574287899. The cubic root of 1173880 is about 105.4891762815.

The spelling of 1173880 in words is "one million, one hundred seventy-three thousand, eight hundred eighty".