1141312369 has 2 divisors, whose sum is σ = 1141312370. Its totient is φ = 1141312368.

The previous prime is 1141312307. The next prime is 1141312373. The reversal of 1141312369 is 9632131411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 952524769 + 188787600 = 30863^2 + 13740^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141312369 - 2⁷ = 1141312241 is a prime.

It is a super-2 number, since 2×1141312369² = 2605187847264784322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1141312369.

It is not a weakly prime, because it can be changed into another prime (1141312069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570656184 + 570656185.

It is an arithmetic number, because the mean of its divisors is an integer number (570656185).

Almost surely, 2^1141312369 is an apocalyptic number.

It is an amenable number.

1141312369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141312369 is an equidigital number, since it uses as much as digits as its factorization.

1141312369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 31.

The square root of 1141312369 is about 33783.3149498388. The cubic root of 1141312369 is about 1045.0446380969.

The spelling of 1141312369 in words is "one billion, one hundred forty-one million, three hundred twelve thousand, three hundred sixty-nine".