1245066044 has 6 divisors (see below), whose sum is σ = 2178865584. Its totient is φ = 622533020.

The previous prime is 1245066037. The next prime is 1245066047. The reversal of 1245066044 is 4406605421.

It is a self number, because there is not a number n which added to its sum of digits gives 1245066044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245066047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155633252 + ... + 155633259.

It is an arithmetic number, because the mean of its divisors is an integer number (363144264).

Almost surely, 2^1245066044 is an apocalyptic number.

It is an amenable number.

1245066044 is a deficient number, since it is larger than the sum of its proper divisors (933799540).

1245066044 is a wasteful number, since it uses less digits than its factorization.

1245066044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311266515 (or 311266513 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 1245066044 is about 35285.4933931779. The cubic root of 1245066044 is about 1075.7981579911.

The spelling of 1245066044 in words is "one billion, two hundred forty-five million, sixty-six thousand, forty-four".