1181875925 has 12 divisors (see below), whose sum is σ = 1472896800. Its totient is φ = 940745520.

The previous prime is 1181875909. The next prime is 1181875931. The reversal of 1181875925 is 5295781811.

It is not a de Polignac number, because 1181875925 - 2⁴ = 1181875909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1181875925.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113807 + ... + 123756.

It is an arithmetic number, because the mean of its divisors is an integer number (122741400).

Almost surely, 2^1181875925 is an apocalyptic number.

It is an amenable number.

1181875925 is a deficient number, since it is larger than the sum of its proper divisors (291020875).

1181875925 is a wasteful number, since it uses less digits than its factorization.

1181875925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237772 (or 237767 counting only the distinct ones).

The product of its digits is 201600, while the sum is 47.

The square root of 1181875925 is about 34378.4223750887. The cubic root of 1181875925 is about 1057.2814892412.

The spelling of 1181875925 in words is "one billion, one hundred eighty-one million, eight hundred seventy-five thousand, nine hundred twenty-five".