1252135 has 8 divisors (see below), whose sum is σ = 1591056. Its totient is φ = 942720.

The previous prime is 1252129. The next prime is 1252151. The reversal of 1252135 is 5312521.

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

It is not a de Polignac number, because 1252135 - 2⁵ = 1252103 is a prime.

It is a Duffinian number.

1252135 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7281 + ... + 7450.

It is an arithmetic number, because the mean of its divisors is an integer number (198882).

2^1252135 is an apocalyptic number.

1252135 is a deficient number, since it is larger than the sum of its proper divisors (338921).

1252135 is a wasteful number, since it uses less digits than its factorization.

1252135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14753.

The product of its digits is 300, while the sum is 19.

The square root of 1252135 is about 1118.9883824241. The cubic root of 1252135 is about 107.7830291919.

Adding to 1252135 its reverse (5312521), we get a palindrome (6564656).

The spelling of 1252135 in words is "one million, two hundred fifty-two thousand, one hundred thirty-five".