1031242 has 4 divisors (see below), whose sum is σ = 1546866. Its totient is φ = 515620.

The previous prime is 1031231. The next prime is 1031267. The reversal of 1031242 is 2421301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2421301 = 59 ⋅41039.

It can be written as a sum of positive squares in only one way, i.e., 1002001 + 29241 = 1001^2 + 171^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257809 + ... + 257812.

2^1031242 is an apocalyptic number.

1031242 is a deficient number, since it is larger than the sum of its proper divisors (515624).

1031242 is an equidigital number, since it uses as much as digits as its factorization.

1031242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515623.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1031242 is about 1015.5008616441. The cubic root of 1031242 is about 101.0307392630.

Adding to 1031242 its reverse (2421301), we get a palindrome (3452543).

The spelling of 1031242 in words is "one million, thirty-one thousand, two hundred forty-two".