1153449 has 24 divisors (see below), whose sum is σ = 1857024. Its totient is φ = 684000.

The previous prime is 1153441. The next prime is 1153457. The reversal of 1153449 is 9443511.

It is an interprime number because it is at equal distance from previous prime (1153441) and next prime (1153457).

It is not a de Polignac number, because 1153449 - 2³ = 1153441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1153441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5944 + ... + 6134.

It is an arithmetic number, because the mean of its divisors is an integer number (77376).

2^1153449 is an apocalyptic number.

It is an amenable number.

1153449 is a deficient number, since it is larger than the sum of its proper divisors (703575).

1153449 is a wasteful number, since it uses less digits than its factorization.

1153449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 266 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1153449 is about 1073.9874300940. The cubic root of 1153449 is about 104.8735893706.

Adding to 1153449 its sum of digits (27), we get a square (1153476 = 1074²).

The spelling of 1153449 in words is "one million, one hundred fifty-three thousand, four hundred forty-nine".