1461287 has 2 divisors, whose sum is σ = 1461288. Its totient is φ = 1461286.

The previous prime is 1461283. The next prime is 1461289. The reversal of 1461287 is 7821641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1461287 - 2² = 1461283 is a prime.

Together with 1461289, 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 (1461283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730643 + 730644.

It is an arithmetic number, because the mean of its divisors is an integer number (730644).

2^1461287 is an apocalyptic number.

1461287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461287 is an equidigital number, since it uses as much as digits as its factorization.

1461287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 29.

The square root of 1461287 is about 1208.8370444357. The cubic root of 1461287 is about 113.4780437129.

The spelling of 1461287 in words is "one million, four hundred sixty-one thousand, two hundred eighty-seven".