1159149 has 4 divisors (see below), whose sum is σ = 1545536. Its totient is φ = 772764.

The previous prime is 1159139. The next prime is 1159153. The reversal of 1159149 is 9419511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9419511 = 3 ⋅3139837.

It is not a de Polignac number, because 1159149 - 2¹² = 1155053 is a prime.

It is a D-number.

It is a Duffinian number.

1159149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193189 + ... + 193194.

It is an arithmetic number, because the mean of its divisors is an integer number (386384).

2^1159149 is an apocalyptic number.

It is an amenable number.

1159149 is a deficient number, since it is larger than the sum of its proper divisors (386387).

1159149 is an equidigital number, since it uses as much as digits as its factorization.

1159149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386386.

The product of its digits is 1620, while the sum is 30.

The square root of 1159149 is about 1076.6378221110. The cubic root of 1159149 is about 105.0460568923.

The spelling of 1159149 in words is "one million, one hundred fifty-nine thousand, one hundred forty-nine".