1151967 has 8 divisors (see below), whose sum is σ = 1589040. Its totient is φ = 741440.

The previous prime is 1151963. The next prime is 1151981. The reversal of 1151967 is 7691511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1151967 - 2² = 1151963 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6534 + ... + 6707.

It is an arithmetic number, because the mean of its divisors is an integer number (198630).

2^1151967 is an apocalyptic number.

1151967 is a deficient number, since it is larger than the sum of its proper divisors (437073).

1151967 is a wasteful number, since it uses less digits than its factorization.

1151967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13273.

The product of its digits is 1890, while the sum is 30.

The square root of 1151967 is about 1073.2972561225. The cubic root of 1151967 is about 104.8286547812.

The spelling of 1151967 in words is "one million, one hundred fifty-one thousand, nine hundred sixty-seven".