1147967 has 4 divisors (see below), whose sum is σ = 1158240. Its totient is φ = 1137696.

The previous prime is 1147931. The next prime is 1147969. The reversal of 1147967 is 7697411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7697411 = 307 ⋅25073.

It is a cyclic number.

It is not a de Polignac number, because 1147967 - 2⁶ = 1147903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4967 + ... + 5192.

It is an arithmetic number, because the mean of its divisors is an integer number (289560).

2^1147967 is an apocalyptic number.

1147967 is a deficient number, since it is larger than the sum of its proper divisors (10273).

1147967 is a wasteful number, since it uses less digits than its factorization.

1147967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10272.

The product of its digits is 10584, while the sum is 35.

The square root of 1147967 is about 1071.4322190414. The cubic root of 1147967 is about 104.7071811367.

The spelling of 1147967 in words is "one million, one hundred forty-seven thousand, nine hundred sixty-seven".