1150389 has 16 divisors (see below), whose sum is σ = 1722240. Its totient is φ = 758880.

The previous prime is 1150363. The next prime is 1150397. The reversal of 1150389 is 9830511.

It is a de Polignac number, because none of the positive numbers 2^k-1150389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150309) 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 in 15 ways as a sum of consecutive naturals, for example, 3544 + ... + 3854.

It is an arithmetic number, because the mean of its divisors is an integer number (107640).

2^1150389 is an apocalyptic number.

It is an amenable number.

1150389 is a deficient number, since it is larger than the sum of its proper divisors (571851).

1150389 is a wasteful number, since it uses less digits than its factorization.

1150389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1150389 is about 1072.5618863264. The cubic root of 1150389 is about 104.7807670648.

The spelling of 1150389 in words is "one million, one hundred fifty thousand, three hundred eighty-nine".