1180540874 has 8 divisors (see below), whose sum is σ = 1831873860. Its totient is φ = 569916256.

The previous prime is 1180540873. The next prime is 1180540901. The reversal of 1180540874 is 4780450811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1101775249 + 78765625 = 33193^2 + 8875^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1180540873) 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, 10177019 + ... + 10177134.

Almost surely, 2^1180540874 is an apocalyptic number.

1180540874 is a deficient number, since it is larger than the sum of its proper divisors (651332986).

1180540874 is a wasteful number, since it uses less digits than its factorization.

1180540874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20354184.

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 1180540874 is about 34358.9998981344. Note that the first 3 decimals coincide. The cubic root of 1180540874 is about 1056.8832363448.

The spelling of 1180540874 in words is "one billion, one hundred eighty million, five hundred forty thousand, eight hundred seventy-four".