1170149 has 4 divisors (see below), whose sum is σ = 1173420. Its totient is φ = 1166880.

The previous prime is 1170139. The next prime is 1170167. The reversal of 1170149 is 9410711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9410711 = 1409 ⋅6679.

It can be written as a sum of positive squares in 2 ways, for example, as 889249 + 280900 = 943^2 + 530^2 .

It is a cyclic number.

It is not a de Polignac number, because 1170149 - 2⁴ = 1170133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1170109) 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, 1022 + ... + 1839.

It is an arithmetic number, because the mean of its divisors is an integer number (293355).

2^1170149 is an apocalyptic number.

It is an amenable number.

1170149 is a deficient number, since it is larger than the sum of its proper divisors (3271).

1170149 is an equidigital number, since it uses as much as digits as its factorization.

1170149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 1170149 is about 1081.7342557209. The cubic root of 1170149 is about 105.3772972045.

The spelling of 1170149 in words is "one million, one hundred seventy thousand, one hundred forty-nine".