1151275 has 6 divisors (see below), whose sum is σ = 1427612. Its totient is φ = 921000.

The previous prime is 1151251. The next prime is 1151287. The reversal of 1151275 is 5721511.

It is not a de Polignac number, because 1151275 - 2⁵ = 1151243 is a prime.

It is a Duffinian number.

1151275 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23001 + ... + 23050.

2^1151275 is an apocalyptic number.

1151275 is a deficient number, since it is larger than the sum of its proper divisors (276337).

1151275 is an equidigital number, since it uses as much as digits as its factorization.

1151275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46061 (or 46056 counting only the distinct ones).

The product of its digits is 350, while the sum is 22.

The square root of 1151275 is about 1072.9748366108. The cubic root of 1151275 is about 104.8076599785.

Adding to 1151275 its reverse (5721511), we get a palindrome (6872786).

The spelling of 1151275 in words is "one million, one hundred fifty-one thousand, two hundred seventy-five".