1268132004 has 96 divisors (see below), whose sum is σ = 3466444800. Its totient is φ = 400321440.

The previous prime is 1268131999. The next prime is 1268132053. The reversal of 1268132004 is 4002318621.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 153327 + ... + 161385.

It is an arithmetic number, because the mean of its divisors is an integer number (36108800).

Almost surely, 2^1268132004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1268132004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1733222400).

1268132004 is an abundant number, since it is smaller than the sum of its proper divisors (2198312796).

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

1268132004 is a wasteful number, since it uses less digits than its factorization.

1268132004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8150 (or 8142 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1268132004 is about 35610.8411021138. The cubic root of 1268132004 is about 1082.4009240360.

The spelling of 1268132004 in words is "one billion, two hundred sixty-eight million, one hundred thirty-two thousand, four".