1253671 has 8 divisors (see below), whose sum is σ = 1330304. Its totient is φ = 1179360.

The previous prime is 1253627. The next prime is 1253683. The reversal of 1253671 is 1763521.

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 1253671 - 2¹³ = 1245479 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 (1253621) 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, 601 + ... + 1693.

It is an arithmetic number, because the mean of its divisors is an integer number (166288).

2^1253671 is an apocalyptic number.

1253671 is a deficient number, since it is larger than the sum of its proper divisors (76633).

1253671 is a wasteful number, since it uses less digits than its factorization.

1253671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161.

The product of its digits is 1260, while the sum is 25.

The square root of 1253671 is about 1119.6745062740. The cubic root of 1253671 is about 107.8270838355.

The spelling of 1253671 in words is "one million, two hundred fifty-three thousand, six hundred seventy-one".