1275901 has 8 divisors (see below), whose sum is σ = 1473984. Its totient is φ = 1091520.

The previous prime is 1275899. The next prime is 1275931. The reversal of 1275901 is 1095721.

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

It is a cyclic number.

It is not a de Polignac number, because 1275901 - 2¹ = 1275899 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3225 + ... + 3598.

It is an arithmetic number, because the mean of its divisors is an integer number (184248).

2^1275901 is an apocalyptic number.

1275901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1275901 is a deficient number, since it is larger than the sum of its proper divisors (198083).

1275901 is a wasteful number, since it uses less digits than its factorization.

1275901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6851.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 1275901 is about 1129.5578781098. The cubic root of 1275901 is about 108.4606807488.

The spelling of 1275901 in words is "one million, two hundred seventy-five thousand, nine hundred one".