1253324867 has 4 divisors (see below), whose sum is σ = 1276972560. Its totient is φ = 1229677176.

The previous prime is 1253324861. The next prime is 1253324869. The reversal of 1253324867 is 7684233521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1253324867 - 2⁶ = 1253324803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1253324861) 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 3 ways as a sum of consecutive naturals, for example, 11823767 + ... + 11823872.

It is an arithmetic number, because the mean of its divisors is an integer number (319243140).

Almost surely, 2^1253324867 is an apocalyptic number.

1253324867 is a deficient number, since it is larger than the sum of its proper divisors (23647693).

1253324867 is an equidigital number, since it uses as much as digits as its factorization.

1253324867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23647692.

The product of its digits is 241920, while the sum is 41.

The square root of 1253324867 is about 35402.3285533593. The cubic root of 1253324867 is about 1078.1715939558.

The spelling of 1253324867 in words is "one billion, two hundred fifty-three million, three hundred twenty-four thousand, eight hundred sixty-seven".