1242482 has 4 divisors (see below), whose sum is σ = 1863726. Its totient is φ = 621240.

The previous prime is 1242457. The next prime is 1242487. The reversal of 1242482 is 2842421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2842421 = 31 ⋅91691.

It can be written as a sum of positive squares in only one way, i.e., 808201 + 434281 = 899^2 + 659^2 .

It is not an unprimeable number, because it can be changed into a prime (1242487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310619 + ... + 310622.

2^1242482 is an apocalyptic number.

1242482 is a deficient number, since it is larger than the sum of its proper divisors (621244).

1242482 is an equidigital number, since it uses as much as digits as its factorization.

1242482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621243.

The product of its digits is 1024, while the sum is 23.

The square root of 1242482 is about 1114.6667663477. Note that the first 3 decimals coincide. The cubic root of 1242482 is about 107.5053395581.

The spelling of 1242482 in words is "one million, two hundred forty-two thousand, four hundred eighty-two".