1180971 has 24 divisors (see below), whose sum is σ = 1896960. Its totient is φ = 702000.

The previous prime is 1180961. The next prime is 1180979. The reversal of 1180971 is 1790811.

It is not a de Polignac number, because 1180971 - 2¹⁰ = 1179947 is a prime.

1180971 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1180979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7746 + ... + 7896.

It is an arithmetic number, because the mean of its divisors is an integer number (79040).

2^1180971 is an apocalyptic number.

1180971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1180971 is a deficient number, since it is larger than the sum of its proper divisors (715989).

1180971 is a wasteful number, since it uses less digits than its factorization.

1180971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 27.

The square root of 1180971 is about 1086.7248961904. The cubic root of 1180971 is about 105.7011578014.

The spelling of 1180971 in words is "one million, one hundred eighty thousand, nine hundred seventy-one".