1260899 has 2 divisors, whose sum is σ = 1260900. Its totient is φ = 1260898.

The previous prime is 1260893. The next prime is 1260901. The reversal of 1260899 is 9980621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1260899 - 2⁸ = 1260643 is a prime.

Together with 1260901, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1260893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630449 + 630450.

It is an arithmetic number, because the mean of its divisors is an integer number (630450).

2^1260899 is an apocalyptic number.

1260899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260899 is an equidigital number, since it uses as much as digits as its factorization.

1260899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 1260899 is about 1122.8975910563. The cubic root of 1260899 is about 108.0339113902.

The spelling of 1260899 in words is "one million, two hundred sixty thousand, eight hundred ninety-nine".