1252312103 has 8 divisors (see below), whose sum is σ = 1439210880. Its totient is φ = 1067412600.

The previous prime is 1252312099. The next prime is 1252312121. The reversal of 1252312103 is 3012132521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1252312103 - 2² = 1252312099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252312183) 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 7 ways as a sum of consecutive naturals, for example, 498473 + ... + 500978.

It is an arithmetic number, because the mean of its divisors is an integer number (179901360).

Almost surely, 2^1252312103 is an apocalyptic number.

1252312103 is a deficient number, since it is larger than the sum of its proper divisors (186898777).

1252312103 is an equidigital number, since it uses as much as digits as its factorization.

1252312103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999637.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1252312103 is about 35388.0220272340. The cubic root of 1252312103 is about 1077.8811059231.

Adding to 1252312103 its reverse (3012132521), we get a palindrome (4264444624).

The spelling of 1252312103 in words is "one billion, two hundred fifty-two million, three hundred twelve thousand, one hundred three".