1246134851 has 6 divisors (see below), whose sum is σ = 1349365140. Its totient is φ = 1150278168.

The previous prime is 1246134839. The next prime is 1246134913. The reversal of 1246134851 is 1584316421.

It is not a de Polignac number, because 1246134851 - 2⁶ = 1246134787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1246134821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3686621 + ... + 3686958.

It is an arithmetic number, because the mean of its divisors is an integer number (224894190).

Almost surely, 2^1246134851 is an apocalyptic number.

1246134851 is a deficient number, since it is larger than the sum of its proper divisors (103230289).

1246134851 is an equidigital number, since it uses as much as digits as its factorization.

1246134851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7373605 (or 7373592 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 1246134851 is about 35300.6352775697. The cubic root of 1246134851 is about 1076.1059038463.

The spelling of 1246134851 in words is "one billion, two hundred forty-six million, one hundred thirty-four thousand, eight hundred fifty-one".