1245568472 has 16 divisors (see below), whose sum is σ = 2335819200. Its totient is φ = 622683360.

The previous prime is 1245568469. The next prime is 1245568501. The reversal of 1245568472 is 2748655421.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79097 + ... + 93527.

It is an arithmetic number, because the mean of its divisors is an integer number (145988700).

Almost surely, 2^1245568472 is an apocalyptic number.

It is an amenable number.

1245568472 is a deficient number, since it is larger than the sum of its proper divisors (1090250728).

1245568472 is a wasteful number, since it uses less digits than its factorization.

1245568472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25226 (or 25222 counting only the distinct ones).

The product of its digits is 537600, while the sum is 44.

The square root of 1245568472 is about 35292.6121447535. The cubic root of 1245568472 is about 1075.9428460127.

The spelling of 1245568472 in words is "one billion, two hundred forty-five million, five hundred sixty-eight thousand, four hundred seventy-two".