1253355102 has 24 divisors (see below), whose sum is σ = 2858529960. Its totient is φ = 395796240.

The previous prime is 1253355041. The next prime is 1253355109. The reversal of 1253355102 is 2015533521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253355109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1832049 + ... + 1832732.

It is an arithmetic number, because the mean of its divisors is an integer number (119105415).

Almost surely, 2^1253355102 is an apocalyptic number.

1253355102 is an abundant number, since it is smaller than the sum of its proper divisors (1605174858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253355102 is a wasteful number, since it uses less digits than its factorization.

1253355102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664808 (or 3664805 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 1253355102 is about 35402.7555707179. The cubic root of 1253355102 is about 1078.1802637633.

Adding to 1253355102 its reverse (2015533521), we get a palindrome (3268888623).

The spelling of 1253355102 in words is "one billion, two hundred fifty-three million, three hundred fifty-five thousand, one hundred two".