1298522 has 4 divisors (see below), whose sum is σ = 1947786. Its totient is φ = 649260.

The previous prime is 1298491. The next prime is 1298537. The reversal of 1298522 is 2258921.

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

It can be written as a sum of positive squares in only one way, i.e., 1190281 + 108241 = 1091^2 + 329^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324629 + ... + 324632.

2^1298522 is an apocalyptic number.

1298522 is a deficient number, since it is larger than the sum of its proper divisors (649264).

1298522 is an equidigital number, since it uses as much as digits as its factorization.

1298522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649263.

The product of its digits is 2880, while the sum is 29.

The square root of 1298522 is about 1139.5270948951. The cubic root of 1298522 is about 109.0979116296.

The spelling of 1298522 in words is "one million, two hundred ninety-eight thousand, five hundred twenty-two".