1253312030 has 32 divisors (see below), whose sum is σ = 2290226400. Its totient is φ = 493763200.

The previous prime is 1253312017. The next prime is 1253312033. The reversal of 1253312030 is 302133521.

It is a junction number, because it is equal to n+sod(n) for n = 1253311993 and 1253312011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253312033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195821 + ... + 202119.

It is an arithmetic number, because the mean of its divisors is an integer number (71569575).

Almost surely, 2^1253312030 is an apocalyptic number.

1253312030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1253312030 is a deficient number, since it is larger than the sum of its proper divisors (1036914370).

1253312030 is a wasteful number, since it uses less digits than its factorization.

1253312030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6604.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1253312030 is about 35402.1472512615. The cubic root of 1253312030 is about 1078.1679129373.

Adding to 1253312030 its reverse (302133521), we get a palindrome (1555445551).

The spelling of 1253312030 in words is "one billion, two hundred fifty-three million, three hundred twelve thousand, thirty".