1145129 has 2 divisors, whose sum is σ = 1145130. Its totient is φ = 1145128.

The previous prime is 1145107. The next prime is 1145141. The reversal of 1145129 is 9215411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 597529 + 547600 = 773^2 + 740^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145129 - 2¹² = 1141033 is a prime.

It is a super-2 number, since 2×1145129² = 2622640853282, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1145189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572564 + 572565.

It is an arithmetic number, because the mean of its divisors is an integer number (572565).

2^1145129 is an apocalyptic number.

It is an amenable number.

1145129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145129 is an equidigital number, since it uses as much as digits as its factorization.

1145129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 23.

The square root of 1145129 is about 1070.1070039954. The cubic root of 1145129 is about 104.6208243584.

The spelling of 1145129 in words is "one million, one hundred forty-five thousand, one hundred twenty-nine".