1199131 has 2 divisors, whose sum is σ = 1199132. Its totient is φ = 1199130.

The previous prime is 1199123. The next prime is 1199137. The reversal of 1199131 is 1319911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1199131 - 2³ = 1199123 is a prime.

It is a super-2 number, since 2×1199131² = 2875830310322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1199096 and 1199105.

It is not a weakly prime, because it can be changed into another prime (1199137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599565 + 599566.

It is an arithmetic number, because the mean of its divisors is an integer number (599566).

2^1199131 is an apocalyptic number.

1199131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1199131 is an equidigital number, since it uses as much as digits as its factorization.

1199131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 243, while the sum is 25.

The square root of 1199131 is about 1095.0484007568. The cubic root of 1199131 is about 106.2401993267.

The spelling of 1199131 in words is "one million, one hundred ninety-nine thousand, one hundred thirty-one".