1200887 has 2 divisors, whose sum is σ = 1200888. Its totient is φ = 1200886.

The previous prime is 1200883. The next prime is 1200889. The reversal of 1200887 is 7880021.

It is a strong prime.

It is an emirp because it is prime and its reverse (7880021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1200887 - 2² = 1200883 is a prime.

Together with 1200889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600443 + 600444.

It is an arithmetic number, because the mean of its divisors is an integer number (600444).

2^1200887 is an apocalyptic number.

1200887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200887 is an equidigital number, since it uses as much as digits as its factorization.

1200887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 1200887 is about 1095.8498984806. The cubic root of 1200887 is about 106.2920331962.

The spelling of 1200887 in words is "one million, two hundred thousand, eight hundred eighty-seven".