1149953 has 4 divisors (see below), whose sum is σ = 1314240. Its totient is φ = 985668.

The previous prime is 1149943. The next prime is 1149971. The reversal of 1149953 is 3599411.

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: 3599411 = 73 ⋅49307.

It is a cyclic number.

It is not a de Polignac number, because 1149953 - 2²⁰ = 101377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1149913) 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, 82133 + ... + 82146.

It is an arithmetic number, because the mean of its divisors is an integer number (328560).

2^1149953 is an apocalyptic number.

It is an amenable number.

1149953 is a deficient number, since it is larger than the sum of its proper divisors (164287).

1149953 is an equidigital number, since it uses as much as digits as its factorization.

1149953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164286.

The product of its digits is 4860, while the sum is 32.

The square root of 1149953 is about 1072.3586153895. The cubic root of 1149953 is about 104.7675280105.

The spelling of 1149953 in words is "one million, one hundred forty-nine thousand, nine hundred fifty-three".