1231298 has 8 divisors (see below), whose sum is σ = 1851660. Its totient is φ = 614080.

The previous prime is 1231283. The next prime is 1231301. The reversal of 1231298 is 8921321.

It can be written as a sum of positive squares in 2 ways, for example, as 1203409 + 27889 = 1097^2 + 167^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118 + ... + 1926.

2^1231298 is an apocalyptic number.

1231298 is a deficient number, since it is larger than the sum of its proper divisors (620362).

1231298 is an equidigital number, since it uses as much as digits as its factorization.

1231298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572.

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

The square root of 1231298 is about 1109.6386799314. The cubic root of 1231298 is about 107.1818028999.

The spelling of 1231298 in words is "one million, two hundred thirty-one thousand, two hundred ninety-eight".