1305967442 has 48 divisors (see below), whose sum is σ = 2211038208. Its totient is φ = 577624320.

The previous prime is 1305967391. The next prime is 1305967447. The reversal of 1305967442 is 2447695031.

It is a self number, because there is not a number n which added to its sum of digits gives 1305967442.

It is not an unprimeable number, because it can be changed into a prime (1305967447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1183463 + ... + 1184565.

It is an arithmetic number, because the mean of its divisors is an integer number (46063296).

Almost surely, 2^1305967442 is an apocalyptic number.

1305967442 is a deficient number, since it is larger than the sum of its proper divisors (905070766).

1305967442 is a wasteful number, since it uses less digits than its factorization.

1305967442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275 (or 1262 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 1305967442 is about 36138.1715364793. The cubic root of 1305967442 is about 1093.0602891397.

The spelling of 1305967442 in words is "one billion, three hundred five million, nine hundred sixty-seven thousand, four hundred forty-two".