1047887 has 2 divisors, whose sum is σ = 1047888. Its totient is φ = 1047886.

The previous prime is 1047883. The next prime is 1047923. The reversal of 1047887 is 7887401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1047887 - 2² = 1047883 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1047881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523943 + 523944.

It is an arithmetic number, because the mean of its divisors is an integer number (523944).

2^1047887 is an apocalyptic number.

1047887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047887 is an equidigital number, since it uses as much as digits as its factorization.

1047887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 1047887 is about 1023.6635189358. The cubic root of 1047887 is about 101.5714106738.

The spelling of 1047887 in words is "one million, forty-seven thousand, eight hundred eighty-seven".