1191480207 has 16 divisors (see below), whose sum is σ = 1698428160. Its totient is φ = 740333952.

The previous prime is 1191480187. The next prime is 1191480211. The reversal of 1191480207 is 7020841911.

It is not a de Polignac number, because 1191480207 - 2⁷ = 1191480079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1191480287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108157 + ... + 118662.

It is an arithmetic number, because the mean of its divisors is an integer number (106151760).

Almost surely, 2^1191480207 is an apocalyptic number.

1191480207 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1191480207 is a deficient number, since it is larger than the sum of its proper divisors (506947953).

1191480207 is a wasteful number, since it uses less digits than its factorization.

1191480207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226942.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 1191480207 is about 34517.8244824323. The cubic root of 1191480207 is about 1060.1376963047.

The spelling of 1191480207 in words is "one billion, one hundred ninety-one million, four hundred eighty thousand, two hundred seven".