1253827 has 4 divisors (see below), whose sum is σ = 1265440. Its totient is φ = 1242216.

The previous prime is 1253803. The next prime is 1253831. The reversal of 1253827 is 7283521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7283521 = 7 ⋅1040503.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1253827 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1253795 and 1253804.

It is not an unprimeable number, because it can be changed into a prime (1253887) 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, 5643 + ... + 5860.

It is an arithmetic number, because the mean of its divisors is an integer number (316360).

2^1253827 is an apocalyptic number.

1253827 is a deficient number, since it is larger than the sum of its proper divisors (11613).

1253827 is a wasteful number, since it uses less digits than its factorization.

1253827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11612.

The product of its digits is 3360, while the sum is 28.

The square root of 1253827 is about 1119.7441672096. The cubic root of 1253827 is about 107.8315561219.

It can be divided in two parts, 1253 and 827, that added together give a triangular number (2080 = T₆₄).

The spelling of 1253827 in words is "one million, two hundred fifty-three thousand, eight hundred twenty-seven".