1141023449 has 2 divisors, whose sum is σ = 1141023450. Its totient is φ = 1141023448.

The previous prime is 1141023439. The next prime is 1141023461. The reversal of 1141023449 is 9443201411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1139535049 + 1488400 = 33757^2 + 1220^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141023449 - 2¹² = 1141019353 is a prime.

It is a super-2 number, since 2×1141023449² = 2603869022335711202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1141023419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570511724 + 570511725.

It is an arithmetic number, because the mean of its divisors is an integer number (570511725).

Almost surely, 2^1141023449 is an apocalyptic number.

It is an amenable number.

1141023449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141023449 is an equidigital number, since it uses as much as digits as its factorization.

1141023449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1141023449 is about 33779.0386038442. The cubic root of 1141023449 is about 1044.9564472894.

The spelling of 1141023449 in words is "one billion, one hundred forty-one million, twenty-three thousand, four hundred forty-nine".