1298126 has 4 divisors (see below), whose sum is σ = 1947192. Its totient is φ = 649062.

The previous prime is 1298119. The next prime is 1298131. The reversal of 1298126 is 6218921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6218921 = 41 ⋅151681.

It is a super-2 number, since 2×1298126² = 3370262223752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324530 + ... + 324533.

It is an arithmetic number, because the mean of its divisors is an integer number (486798).

2^1298126 is an apocalyptic number.

1298126 is a deficient number, since it is larger than the sum of its proper divisors (649066).

1298126 is an equidigital number, since it uses as much as digits as its factorization.

1298126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649065.

The product of its digits is 1728, while the sum is 29.

The square root of 1298126 is about 1139.3533253561. The cubic root of 1298126 is about 109.0868202592.

The spelling of 1298126 in words is "one million, two hundred ninety-eight thousand, one hundred twenty-six".