1253534012 has 12 divisors (see below), whose sum is σ = 2199972600. Its totient is φ = 624970416.

The previous prime is 1253533993. The next prime is 1253534047. The reversal of 1253534012 is 2104353521.

It is a happy number.

It is a super-2 number, since 2×1253534012² = 3142695038481632288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 447578 + ... + 450369.

It is an arithmetic number, because the mean of its divisors is an integer number (183331050).

Almost surely, 2^1253534012 is an apocalyptic number.

It is an amenable number.

1253534012 is a deficient number, since it is larger than the sum of its proper divisors (946438588).

1253534012 is a wasteful number, since it uses less digits than its factorization.

1253534012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898300 (or 898298 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1253534012 is about 35405.2822612672. The cubic root of 1253534012 is about 1078.2315628865.

Adding to 1253534012 its reverse (2104353521), we get a palindrome (3357887533).

The spelling of 1253534012 in words is "one billion, two hundred fifty-three million, five hundred thirty-four thousand, twelve".