1149025939 has 2 divisors, whose sum is σ = 1149025940. Its totient is φ = 1149025938.

The previous prime is 1149025921. The next prime is 1149025949. The reversal of 1149025939 is 9395209411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1149025939 - 2²³ = 1140637331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1149025895 and 1149025904.

It is not a weakly prime, because it can be changed into another prime (1149025949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574512969 + 574512970.

It is an arithmetic number, because the mean of its divisors is an integer number (574512970).

Almost surely, 2^1149025939 is an apocalyptic number.

1149025939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149025939 is an equidigital number, since it uses as much as digits as its factorization.

1149025939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 1149025939 is about 33897.2851272783. The cubic root of 1149025939 is about 1047.3936685926.

The spelling of 1149025939 in words is "one billion, one hundred forty-nine million, twenty-five thousand, nine hundred thirty-nine".