1275101 has 4 divisors (see below), whose sum is σ = 1319100. Its totient is φ = 1231104.

The previous prime is 1275067. The next prime is 1275107. The reversal of 1275101 is 1015721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 763876 + 511225 = 874^2 + 715^2 .

It is a cyclic number.

It is not a de Polignac number, because 1275101 - 2¹⁴ = 1258717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1275101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21956 + ... + 22013.

It is an arithmetic number, because the mean of its divisors is an integer number (329775).

2^1275101 is an apocalyptic number.

It is an amenable number.

1275101 is a deficient number, since it is larger than the sum of its proper divisors (43999).

1275101 is an equidigital number, since it uses as much as digits as its factorization.

1275101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43998.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 1275101 is about 1129.2037017297. The cubic root of 1275101 is about 108.4380074417.

The spelling of 1275101 in words is "one million, two hundred seventy-five thousand, one hundred one".