1151599 has 2 divisors, whose sum is σ = 1151600. Its totient is φ = 1151598.

The previous prime is 1151593. The next prime is 1151603. The reversal of 1151599 is 9951511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1151599 - 2⁷ = 1151471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1151599.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151593) 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, 575799 + 575800.

It is an arithmetic number, because the mean of its divisors is an integer number (575800).

2^1151599 is an apocalyptic number.

1151599 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151599 is an equidigital number, since it uses as much as digits as its factorization.

1151599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2025, while the sum is 31.

The square root of 1151599 is about 1073.1258080952. The cubic root of 1151599 is about 104.8174909621.

The spelling of 1151599 in words is "one million, one hundred fifty-one thousand, five hundred ninety-nine".