1151267 has 16 divisors (see below), whose sum is σ = 1344000. Its totient is φ = 977184.

The previous prime is 1151251. The next prime is 1151287. The reversal of 1151267 is 7621511.

It is not a de Polignac number, because 1151267 - 2⁴ = 1151251 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14534 + ... + 14612.

It is an arithmetic number, because the mean of its divisors is an integer number (84000).

2^1151267 is an apocalyptic number.

1151267 is a deficient number, since it is larger than the sum of its proper divisors (192733).

1151267 is a wasteful number, since it uses less digits than its factorization.

1151267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170.

The product of its digits is 420, while the sum is 23.

The square root of 1151267 is about 1072.9711086511. The cubic root of 1151267 is about 104.8074172149.

Adding to 1151267 its reverse (7621511), we get a palindrome (8772778).

The spelling of 1151267 in words is "one million, one hundred fifty-one thousand, two hundred sixty-seven".