1246120506 has 48 divisors (see below), whose sum is σ = 2737336680. Its totient is φ = 409643520.

The previous prime is 1246120501. The next prime is 1246120531. The reversal of 1246120506 is 6050216421.

It can be written as a sum of positive squares in 4 ways, for example, as 1002292281 + 243828225 = 31659^2 + 15615^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1246120506.

It is not an unprimeable number, because it can be changed into a prime (1246120501) 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 23 ways as a sum of consecutive naturals, for example, 833896 + ... + 835388.

Almost surely, 2^1246120506 is an apocalyptic number.

1246120506 is an abundant number, since it is smaller than the sum of its proper divisors (1491216174).

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

1246120506 is a wasteful number, since it uses less digits than its factorization.

1246120506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111 (or 2108 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1246120506 is about 35300.4320936727. The cubic root of 1246120506 is about 1076.1017745986.

Adding to 1246120506 its reverse (6050216421), we get a palindrome (7296336927).

The spelling of 1246120506 in words is "one billion, two hundred forty-six million, one hundred twenty thousand, five hundred six".