1275842 has 8 divisors (see below), whose sum is σ = 1929216. Its totient is φ = 632772.

The previous prime is 1275839. The next prime is 1275847. The reversal of 1275842 is 2485721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1275847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2258 + ... + 2765.

It is an arithmetic number, because the mean of its divisors is an integer number (241152).

2^1275842 is an apocalyptic number.

1275842 is a deficient number, since it is larger than the sum of its proper divisors (653374).

1275842 is a wasteful number, since it uses less digits than its factorization.

1275842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5152.

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

The square root of 1275842 is about 1129.5317613950. The cubic root of 1275842 is about 108.4590089162.

The spelling of 1275842 in words is "one million, two hundred seventy-five thousand, eight hundred forty-two".