1253121 has 8 divisors (see below), whose sum is σ = 1769184. Its totient is φ = 786240.

The previous prime is 1253111. The next prime is 1253137. The reversal of 1253121 is 1213521.

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

It is not a de Polignac number, because 1253121 - 2⁵ = 1253089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1253121.

It is not an unprimeable number, because it can be changed into a prime (1253111) 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, 12235 + ... + 12336.

It is an arithmetic number, because the mean of its divisors is an integer number (221148).

2^1253121 is an apocalyptic number.

It is an amenable number.

1253121 is a deficient number, since it is larger than the sum of its proper divisors (516063).

1253121 is a wasteful number, since it uses less digits than its factorization.

1253121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24591.

The product of its digits is 60, while the sum is 15.

The square root of 1253121 is about 1119.4288722380. The cubic root of 1253121 is about 107.8113131984.

Adding to 1253121 its reverse (1213521), we get a palindrome (2466642).

The spelling of 1253121 in words is "one million, two hundred fifty-three thousand, one hundred twenty-one".