1171249 has 4 divisors (see below), whose sum is σ = 1240164. Its totient is φ = 1102336.

The previous prime is 1171243. The next prime is 1171253. The reversal of 1171249 is 9421711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9421711 = 13 ⋅724747.

It can be written as a sum of positive squares in 2 ways, for example, as 739600 + 431649 = 860^2 + 657^2 .

It is a cyclic number.

It is not a de Polignac number, because 1171249 - 2³ = 1171241 is a prime.

It is a Duffinian number.

1171249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1171241) 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, 34432 + ... + 34465.

It is an arithmetic number, because the mean of its divisors is an integer number (310041).

2^1171249 is an apocalyptic number.

It is an amenable number.

1171249 is a deficient number, since it is larger than the sum of its proper divisors (68915).

1171249 is an equidigital number, since it uses as much as digits as its factorization.

1171249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68914.

The product of its digits is 504, while the sum is 25.

The square root of 1171249 is about 1082.2425790921. The cubic root of 1171249 is about 105.4103068821.

The spelling of 1171249 in words is "one million, one hundred seventy-one thousand, two hundred forty-nine".