1242575 has 12 divisors (see below), whose sum is σ = 1608528. Its totient is φ = 950400.

The previous prime is 1242569. The next prime is 1242601. The reversal of 1242575 is 5752421.

It is not a de Polignac number, because 1242575 - 2¹⁰ = 1241551 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 506 + ... + 1655.

It is an arithmetic number, because the mean of its divisors is an integer number (134044).

2^1242575 is an apocalyptic number.

1242575 is a deficient number, since it is larger than the sum of its proper divisors (365953).

1242575 is a wasteful number, since it uses less digits than its factorization.

1242575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194 (or 2189 counting only the distinct ones).

The product of its digits is 2800, while the sum is 26.

The square root of 1242575 is about 1114.7084820705. The cubic root of 1242575 is about 107.5080217558.

Adding to 1242575 its reverse (5752421), we get a palindrome (6994996).

The spelling of 1242575 in words is "one million, two hundred forty-two thousand, five hundred seventy-five".