1154887 has 2 divisors, whose sum is σ = 1154888. Its totient is φ = 1154886.

The previous prime is 1154863. The next prime is 1154893. The reversal of 1154887 is 7884511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1154887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1154897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577443 + 577444.

It is an arithmetic number, because the mean of its divisors is an integer number (577444).

2^1154887 is an apocalyptic number.

1154887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154887 is an equidigital number, since it uses as much as digits as its factorization.

1154887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8960, while the sum is 34.

The square root of 1154887 is about 1074.6566893664. The cubic root of 1154887 is about 104.9171530924.

The spelling of 1154887 in words is "one million, one hundred fifty-four thousand, eight hundred eighty-seven".