1263875 has 8 divisors (see below), whose sum is σ = 1577472. Its totient is φ = 1011000.

The previous prime is 1263863. The next prime is 1263887. The reversal of 1263875 is 5783621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1263863) and next prime (1263887).

It is not a de Polignac number, because 1263875 - 2¹⁰ = 1262851 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4931 + ... + 5180.

It is an arithmetic number, because the mean of its divisors is an integer number (197184).

2^1263875 is an apocalyptic number.

1263875 is a deficient number, since it is larger than the sum of its proper divisors (313597).

1263875 is an equidigital number, since it uses as much as digits as its factorization.

1263875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10126 (or 10116 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 1263875 is about 1124.2219531747. The cubic root of 1263875 is about 108.1188392360.

The spelling of 1263875 in words is "one million, two hundred sixty-three thousand, eight hundred seventy-five".