1253454312 has 32 divisors (see below), whose sum is σ = 3418512480. Its totient is φ = 379834560.

The previous prime is 1253454281. The next prime is 1253454317. The reversal of 1253454312 is 2134543521.

It is a super-2 number, since 2×1253454312² = 3142295424542786688, 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 1253454312.

It is not an unprimeable number, because it can be changed into a prime (1253454317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2373703 + ... + 2374230.

It is an arithmetic number, because the mean of its divisors is an integer number (106828515).

Almost surely, 2^1253454312 is an apocalyptic number.

1253454312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1253454312 is an abundant number, since it is smaller than the sum of its proper divisors (2165058168).

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

1253454312 is a wasteful number, since it uses less digits than its factorization.

1253454312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4747953 (or 4747949 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 1253454312 is about 35404.1567051102. The cubic root of 1253454312 is about 1078.2087109931.

Adding to 1253454312 its reverse (2134543521), we get a palindrome (3387997833).

The spelling of 1253454312 in words is "one billion, two hundred fifty-three million, four hundred fifty-four thousand, three hundred twelve".