1298001 has 16 divisors (see below), whose sum is σ = 1893888. Its totient is φ = 787200.

The previous prime is 1297993. The next prime is 1298027. The reversal of 1298001 is 1008921.

It is not a de Polignac number, because 1298001 - 2³ = 1297993 is a prime.

1298001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1291001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1171 + ... + 1991.

It is an arithmetic number, because the mean of its divisors is an integer number (118368).

2^1298001 is an apocalyptic number.

It is an amenable number.

1298001 is a deficient number, since it is larger than the sum of its proper divisors (595887).

1298001 is a wasteful number, since it uses less digits than its factorization.

1298001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1298001 is about 1139.2984683567. The cubic root of 1298001 is about 109.0833187269.

The spelling of 1298001 in words is "one million, two hundred ninety-eight thousand, one".