1268412044 has 12 divisors (see below), whose sum is σ = 2223782904. Its totient is φ = 633045504.

The previous prime is 1268412037. The next prime is 1268412049. The reversal of 1268412044 is 4402148621.

It is a super-2 number, since 2×1268412044² = 3217738226728515872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1268412044.

It is not an unprimeable number, because it can be changed into a prime (1268412049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287669 + ... + 292044.

It is an arithmetic number, because the mean of its divisors is an integer number (185315242).

Almost surely, 2^1268412044 is an apocalyptic number.

It is an amenable number.

1268412044 is a deficient number, since it is larger than the sum of its proper divisors (955370860).

1268412044 is a wasteful number, since it uses less digits than its factorization.

1268412044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580264 (or 580262 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 1268412044 is about 35614.7728337554. The cubic root of 1268412044 is about 1082.4805932514.

The spelling of 1268412044 in words is "one billion, two hundred sixty-eight million, four hundred twelve thousand, forty-four".