1147567 has 2 divisors, whose sum is σ = 1147568. Its totient is φ = 1147566.

The previous prime is 1147561. The next prime is 1147571. The reversal of 1147567 is 7657411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1147567 - 2¹⁹ = 623279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1147561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573783 + 573784.

It is an arithmetic number, because the mean of its divisors is an integer number (573784).

2^1147567 is an apocalyptic number.

1147567 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147567 is an equidigital number, since it uses as much as digits as its factorization.

1147567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880, while the sum is 31.

The square root of 1147567 is about 1071.2455367468. The cubic root of 1147567 is about 104.6950182616.

The spelling of 1147567 in words is "one million, one hundred forty-seven thousand, five hundred sixty-seven".