1298361 has 8 divisors (see below), whose sum is σ = 1738624. Its totient is φ = 861840.

The previous prime is 1298357. The next prime is 1298371. The reversal of 1298361 is 1638921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1298361 - 2² = 1298357 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1298351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15 + ... + 1611.

It is an arithmetic number, because the mean of its divisors is an integer number (217328).

2^1298361 is an apocalyptic number.

It is an amenable number.

1298361 is a deficient number, since it is larger than the sum of its proper divisors (440263).

1298361 is a wasteful number, since it uses less digits than its factorization.

1298361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871.

The product of its digits is 2592, while the sum is 30.

The square root of 1298361 is about 1139.4564493652. The cubic root of 1298361 is about 109.0934025314.

The spelling of 1298361 in words is "one million, two hundred ninety-eight thousand, three hundred sixty-one".