1263245346 has 24 divisors (see below), whose sum is σ = 2985853104. Its totient is φ = 382801560.

The previous prime is 1263245339. The next prime is 1263245411. The reversal of 1263245346 is 6435423621.

1263245346 is a `hidden beast` number, since 12 + 63 + 245 + 346 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1263245346.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3189816 + ... + 3190211.

It is an arithmetic number, because the mean of its divisors is an integer number (124410546).

Almost surely, 2^1263245346 is an apocalyptic number.

1263245346 is an abundant number, since it is smaller than the sum of its proper divisors (1722607758).

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

1263245346 is a wasteful number, since it uses less digits than its factorization.

1263245346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6380046 (or 6380043 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 1263245346 is about 35542.1629336201. The cubic root of 1263245346 is about 1081.0088156140.

Adding to 1263245346 its reverse (6435423621), we get a palindrome (7698668967).

The spelling of 1263245346 in words is "one billion, two hundred sixty-three million, two hundred forty-five thousand, three hundred forty-six".