1253402102 has 8 divisors (see below), whose sum is σ = 1896741576. Its totient is φ = 621154912.

The previous prime is 1253402057. The next prime is 1253402113. The reversal of 1253402102 is 2012043521.

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

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, 2772788 + ... + 2773239.

It is an arithmetic number, because the mean of its divisors is an integer number (237092697).

Almost surely, 2^1253402102 is an apocalyptic number.

1253402102 is a deficient number, since it is larger than the sum of its proper divisors (643339474).

1253402102 is a wasteful number, since it uses less digits than its factorization.

1253402102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5546142.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1253402102 is about 35403.4193546330. The cubic root of 1253402102 is about 1078.1937406140.

Adding to 1253402102 its reverse (2012043521), we get a palindrome (3265445623).

The spelling of 1253402102 in words is "one billion, two hundred fifty-three million, four hundred two thousand, one hundred two".