1149131 has 2 divisors, whose sum is σ = 1149132. Its totient is φ = 1149130.

The previous prime is 1149061. The next prime is 1149151. The reversal of 1149131 is 1319411.

It is an a-pointer prime, because the next prime (1149151) can be obtained adding 1149131 to its sum of digits (20).

It is a strong prime.

It is an emirp because it is prime and its reverse (1319411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1149131 - 2¹⁸ = 886987 is a prime.

It is a super-2 number, since 2×1149131² = 2641004110322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1149151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574565 + 574566.

It is an arithmetic number, because the mean of its divisors is an integer number (574566).

2^1149131 is an apocalyptic number.

1149131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149131 is an equidigital number, since it uses as much as digits as its factorization.

1149131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 20.

The square root of 1149131 is about 1071.9752795657. The cubic root of 1149131 is about 104.7425590376.

The spelling of 1149131 in words is "one million, one hundred forty-nine thousand, one hundred thirty-one".