1150139 has 2 divisors, whose sum is σ = 1150140. Its totient is φ = 1150138.

The previous prime is 1150117. The next prime is 1150141. The reversal of 1150139 is 9310511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1150139 - 2¹² = 1146043 is a prime.

It is a Sophie Germain prime.

Together with 1150141, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1150139.

It is not a weakly prime, because it can be changed into another prime (1150159) 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, 575069 + 575070.

It is an arithmetic number, because the mean of its divisors is an integer number (575070).

2^1150139 is an apocalyptic number.

1150139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150139 is an equidigital number, since it uses as much as digits as its factorization.

1150139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 1150139 is about 1072.4453366023. The cubic root of 1150139 is about 104.7731762731.

The spelling of 1150139 in words is "one million, one hundred fifty thousand, one hundred thirty-nine".