1253260342 has 8 divisors (see below), whose sum is σ = 1880400600. Its totient is φ = 626460144.

The previous prime is 1253260321. The next prime is 1253260357. The reversal of 1253260342 is 2430623521.

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

It is a super-2 number, since 2×1253260342² = 3141322969659913928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1253260342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75592 + ... + 90667.

It is an arithmetic number, because the mean of its divisors is an integer number (235050075).

Almost surely, 2^1253260342 is an apocalyptic number.

1253260342 is a deficient number, since it is larger than the sum of its proper divisors (627140258).

1253260342 is a wasteful number, since it uses less digits than its factorization.

1253260342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170030.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1253260342 is about 35401.4172315177. The cubic root of 1253260342 is about 1078.1530911138.

Adding to 1253260342 its reverse (2430623521), we get a palindrome (3683883863).

The spelling of 1253260342 in words is "one billion, two hundred fifty-three million, two hundred sixty thousand, three hundred forty-two".