1298461 has 4 divisors (see below), whose sum is σ = 1302652. Its totient is φ = 1294272.

The previous prime is 1298387. The next prime is 1298467. The reversal of 1298461 is 1648921.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 931225 + 367236 = 965^2 + 606^2 .

It is a cyclic number.

It is not a de Polignac number, because 1298461 - 2⁷ = 1298333 is a prime.

It is the 1140-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298467) by changing a digit.

It is a nontrivial repunit in base 1139.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1590 + ... + 2263.

It is an arithmetic number, because the mean of its divisors is an integer number (325663).

2^1298461 is an apocalyptic number.

It is an amenable number.

1298461 is a deficient number, since it is larger than the sum of its proper divisors (4191).

1298461 is an equidigital number, since it uses as much as digits as its factorization.

1298461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190.

The product of its digits is 3456, while the sum is 31.

The square root of 1298461 is about 1139.5003290917. The cubic root of 1298461 is about 109.0962032574.

The spelling of 1298461 in words is "one million, two hundred ninety-eight thousand, four hundred sixty-one".