1428012472 has 16 divisors (see below), whose sum is σ = 2682237600. Its totient is φ = 712749120.

The previous prime is 1428012451. The next prime is 1428012479. The reversal of 1428012472 is 2742108241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428012479) 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, 152304 + ... + 161407.

It is an arithmetic number, because the mean of its divisors is an integer number (167639850).

Almost surely, 2^1428012472 is an apocalyptic number.

It is an amenable number.

1428012472 is a deficient number, since it is larger than the sum of its proper divisors (1254225128).

1428012472 is a wasteful number, since it uses less digits than its factorization.

1428012472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314286 (or 314282 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 1428012472 is about 37789.0522770815. The cubic root of 1428012472 is about 1126.1009724292.

The spelling of 1428012472 in words is "one billion, four hundred twenty-eight million, twelve thousand, four hundred seventy-two".