1047235867 has 2 divisors, whose sum is σ = 1047235868. Its totient is φ = 1047235866.

The previous prime is 1047235843. The next prime is 1047235873. The reversal of 1047235867 is 7685327401.

It is a strong prime.

It is an emirp because it is prime and its reverse (7685327401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1047235867 - 2¹⁹ = 1046711579 is a prime.

It is a super-2 number, since 2×1047235867² = 2193405922262483378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1047235837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523617933 + 523617934.

It is an arithmetic number, because the mean of its divisors is an integer number (523617934).

Almost surely, 2^1047235867 is an apocalyptic number.

1047235867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047235867 is an equidigital number, since it uses as much as digits as its factorization.

1047235867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 1047235867 is about 32361.0238867685. The cubic root of 1047235867 is about 1015.5036826477.

The spelling of 1047235867 in words is "one billion, forty-seven million, two hundred thirty-five thousand, eight hundred sixty-seven".