1253135 has 12 divisors (see below), whose sum is σ = 1629432. Its totient is φ = 924768.

The previous prime is 1253111. The next prime is 1253137. The reversal of 1253135 is 5313521.

It is not a de Polignac number, because 1253135 - 2⁶ = 1253071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104 + ... + 1586.

It is an arithmetic number, because the mean of its divisors is an integer number (135786).

2^1253135 is an apocalyptic number.

1253135 is a deficient number, since it is larger than the sum of its proper divisors (376297).

1253135 is a wasteful number, since it uses less digits than its factorization.

1253135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514 (or 1501 counting only the distinct ones).

The product of its digits is 450, while the sum is 20.

The square root of 1253135 is about 1119.4351254092. The cubic root of 1253135 is about 107.8117146901.

Adding to 1253135 its reverse (5313521), we get a palindrome (6566656).

The spelling of 1253135 in words is "one million, two hundred fifty-three thousand, one hundred thirty-five".