1152279 has 8 divisors (see below), whose sum is σ = 1707120. Its totient is φ = 768168.

The previous prime is 1152233. The next prime is 1152287. The reversal of 1152279 is 9722511.

It is not a de Polignac number, because 1152279 - 2⁸ = 1152023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 42677 = 1152279 / (1 + 1 + 5 + 2 + 2 + 7 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21312 + ... + 21365.

It is an arithmetic number, because the mean of its divisors is an integer number (213390).

2^1152279 is an apocalyptic number.

1152279 is a deficient number, since it is larger than the sum of its proper divisors (554841).

1152279 is an equidigital number, since it uses as much as digits as its factorization.

1152279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42686 (or 42680 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 1152279 is about 1073.4425927827. The cubic root of 1152279 is about 104.8381178960.

It can be divided in two parts, 1152 and 279, that added together give a triangular number (1431 = T₅₃).

The spelling of 1152279 in words is "one million, one hundred fifty-two thousand, two hundred seventy-nine".