1131189607 has 2 divisors, whose sum is σ = 1131189608. Its totient is φ = 1131189606.

The previous prime is 1131189599. The next prime is 1131189613. The reversal of 1131189607 is 7069811311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1131189607 - 2³ = 1131189599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131189617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565594803 + 565594804.

It is an arithmetic number, because the mean of its divisors is an integer number (565594804).

Almost surely, 2^1131189607 is an apocalyptic number.

1131189607 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131189607 is an equidigital number, since it uses as much as digits as its factorization.

1131189607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 1131189607 is about 33633.1623104340. The cubic root of 1131189607 is about 1041.9458169003.

The spelling of 1131189607 in words is "one billion, one hundred thirty-one million, one hundred eighty-nine thousand, six hundred seven".