1242875 has 16 divisors (see below), whose sum is σ = 1586208. Its totient is φ = 972000.

The previous prime is 1242869. The next prime is 1242889. The reversal of 1242875 is 5782421.

It is not a de Polignac number, because 1242875 - 2⁴ = 1242859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7544 + ... + 7706.

It is an arithmetic number, because the mean of its divisors is an integer number (99138).

2^1242875 is an apocalyptic number.

1242875 is a deficient number, since it is larger than the sum of its proper divisors (343333).

1242875 is an equidigital number, since it uses as much as digits as its factorization.

1242875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 229 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 1242875 is about 1114.8430382794. The cubic root of 1242875 is about 107.5166730944.

The spelling of 1242875 in words is "one million, two hundred forty-two thousand, eight hundred seventy-five".