1151297 has 4 divisors (see below), whose sum is σ = 1315776. Its totient is φ = 986820.

The previous prime is 1151287. The next prime is 1151303. The reversal of 1151297 is 7921511.

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.

It is a cyclic number.

It is not a de Polignac number, because 1151297 - 2⁶ = 1151233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1151237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82229 + ... + 82242.

It is an arithmetic number, because the mean of its divisors is an integer number (328944).

2^1151297 is an apocalyptic number.

It is an amenable number.

1151297 is a deficient number, since it is larger than the sum of its proper divisors (164479).

1151297 is an equidigital number, since it uses as much as digits as its factorization.

1151297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164478.

The product of its digits is 630, while the sum is 26.

The square root of 1151297 is about 1072.9850884332. The cubic root of 1151297 is about 104.8083275728.

The spelling of 1151297 in words is "one million, one hundred fifty-one thousand, two hundred ninety-seven".