1242572 has 6 divisors (see below), whose sum is σ = 2174508. Its totient is φ = 621284.

The previous prime is 1242569. The next prime is 1242601. The reversal of 1242572 is 2752421.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155318 + ... + 155325.

It is an arithmetic number, because the mean of its divisors is an integer number (362418).

2^1242572 is an apocalyptic number.

It is an amenable number.

1242572 is a deficient number, since it is larger than the sum of its proper divisors (931936).

1242572 is a wasteful number, since it uses less digits than its factorization.

1242572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310647 (or 310645 counting only the distinct ones).

The product of its digits is 1120, while the sum is 23.

The square root of 1242572 is about 1114.7071364264. The cubic root of 1242572 is about 107.5079352354.

Adding to 1242572 its reverse (2752421), we get a palindrome (3994993).

The spelling of 1242572 in words is "one million, two hundred forty-two thousand, five hundred seventy-two".