1172867 has 2 divisors, whose sum is σ = 1172868. Its totient is φ = 1172866.

The previous prime is 1172833. The next prime is 1172893. The reversal of 1172867 is 7682711.

It is a strong prime.

It is an emirp because it is prime and its reverse (7682711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1172867 - 2⁶ = 1172803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1172807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586433 + 586434.

It is an arithmetic number, because the mean of its divisors is an integer number (586434).

2^1172867 is an apocalyptic number.

1172867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1172867 is an equidigital number, since it uses as much as digits as its factorization.

1172867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 32.

The square root of 1172867 is about 1082.9898429810. The cubic root of 1172867 is about 105.4588235797.

The spelling of 1172867 in words is "one million, one hundred seventy-two thousand, eight hundred sixty-seven".