1245288112 has 20 divisors (see below), whose sum is σ = 2418517080. Its totient is φ = 621154688.

The previous prime is 1245288019. The next prime is 1245288113. The reversal of 1245288112 is 2118825421.

It is not an unprimeable number, because it can be changed into a prime (1245288113) 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, 86173 + ... + 99580.

It is an arithmetic number, because the mean of its divisors is an integer number (120925854).

Almost surely, 2^1245288112 is an apocalyptic number.

It is an amenable number.

1245288112 is a deficient number, since it is larger than the sum of its proper divisors (1173228968).

1245288112 is a wasteful number, since it uses less digits than its factorization.

1245288112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186180 (or 186174 counting only the distinct ones).

The product of its digits is 10240, while the sum is 34.

The square root of 1245288112 is about 35288.6399851284. The cubic root of 1245288112 is about 1075.8621134052.

The spelling of 1245288112 in words is "one billion, two hundred forty-five million, two hundred eighty-eight thousand, one hundred twelve".