1253402312 has 12 divisors (see below), whose sum is σ = 2350317105. Its totient is φ = 626651088.

The previous prime is 1253402303. The next prime is 1253402321. The reversal of 1253402312 is 2132043521.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (1253402303) and next prime (1253402321).

It can be written as a sum of positive squares in 2 ways, for example, as 928177156 + 325225156 = 30466^2 + 18034^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=25034.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 93878 + ... + 106394.

Almost surely, 2^1253402312 is an apocalyptic number.

It is an amenable number.

1253402312 is a deficient number, since it is larger than the sum of its proper divisors (1096914793).

1253402312 is an frugal number, since it uses more digits than its factorization.

1253402312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25040 (or 12519 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1253402312 is about 35403.4223204481. The cubic root of 1253402312 is about 1078.1938008290.

Adding to 1253402312 its reverse (2132043521), we get a palindrome (3385445833).

The spelling of 1253402312 in words is "one billion, two hundred fifty-three million, four hundred two thousand, three hundred twelve".