1152749 has 12 divisors (see below), whose sum is σ = 1317600. Its totient is φ = 1005264.

The previous prime is 1152733. The next prime is 1152751. The reversal of 1152749 is 9472511.

It is not a de Polignac number, because 1152749 - 2⁴ = 1152733 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 (1152799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3032 + ... + 3390.

It is an arithmetic number, because the mean of its divisors is an integer number (109800).

2^1152749 is an apocalyptic number.

1152749 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1152749 is a deficient number, since it is larger than the sum of its proper divisors (164851).

1152749 is a wasteful number, since it uses less digits than its factorization.

1152749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 391 counting only the distinct ones).

The product of its digits is 2520, while the sum is 29.

The square root of 1152749 is about 1073.6614922777. The cubic root of 1152749 is about 104.8523700049.

The spelling of 1152749 in words is "one million, one hundred fifty-two thousand, seven hundred forty-nine".