1298231 has 8 divisors (see below), whose sum is σ = 1430784. Its totient is φ = 1168120.

The previous prime is 1298221. The next prime is 1298261. The reversal of 1298231 is 1328921.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1298231 is a prime.

It is a super-2 number, since 2×1298231² = 3370807458722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1298231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298221) 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, 626 + ... + 1728.

It is an arithmetic number, because the mean of its divisors is an integer number (178848).

2^1298231 is an apocalyptic number.

1298231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1298231 is a deficient number, since it is larger than the sum of its proper divisors (132553).

1298231 is a wasteful number, since it uses less digits than its factorization.

1298231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221.

The product of its digits is 864, while the sum is 26.

The square root of 1298231 is about 1139.3994031945. The cubic root of 1298231 is about 109.0897613726.

The spelling of 1298231 in words is "one million, two hundred ninety-eight thousand, two hundred thirty-one".