1181053207 has 4 divisors (see below), whose sum is σ = 1181294280. Its totient is φ = 1180812136.

The previous prime is 1181053199. The next prime is 1181053241. The reversal of 1181053207 is 7023501811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1181053207 - 2³ = 1181053199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1181053807) 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, 113032 + ... + 123037.

It is an arithmetic number, because the mean of its divisors is an integer number (295323570).

Almost surely, 2^1181053207 is an apocalyptic number.

1181053207 is a deficient number, since it is larger than the sum of its proper divisors (241073).

1181053207 is an equidigital number, since it uses as much as digits as its factorization.

1181053207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241072.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 1181053207 is about 34366.4546760355. The cubic root of 1181053207 is about 1057.0361035205.

The spelling of 1181053207 in words is "one billion, one hundred eighty-one million, fifty-three thousand, two hundred seven".