1149142601 has 2 divisors, whose sum is σ = 1149142602. Its totient is φ = 1149142600.

The previous prime is 1149142541. The next prime is 1149142619. The reversal of 1149142601 is 1062419411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1149142201 + 400 = 33899^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 1149142601 - 2¹⁰ = 1149141577 is a prime.

It is not a weakly prime, because it can be changed into another prime (1149142681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574571300 + 574571301.

It is an arithmetic number, because the mean of its divisors is an integer number (574571301).

Almost surely, 2^1149142601 is an apocalyptic number.

It is an amenable number.

1149142601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149142601 is an equidigital number, since it uses as much as digits as its factorization.

1149142601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1149142601 is about 33899.0058998785. The cubic root of 1149142601 is about 1047.4291151103.

The spelling of 1149142601 in words is "one billion, one hundred forty-nine million, one hundred forty-two thousand, six hundred one".