1428750872 has 16 divisors (see below), whose sum is σ = 2683813560. Its totient is φ = 713067264.

The previous prime is 1428750863. The next prime is 1428750887. The reversal of 1428750872 is 2780578241.

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, 158873 + ... + 167624.

Almost surely, 2^1428750872 is an apocalyptic number.

It is an amenable number.

1428750872 is a deficient number, since it is larger than the sum of its proper divisors (1255062688).

1428750872 is a wasteful number, since it uses less digits than its factorization.

1428750872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327050 (or 327046 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 44.

The square root of 1428750872 is about 37798.8210398155. The cubic root of 1428750872 is about 1126.2950346182.

The spelling of 1428750872 in words is "one billion, four hundred twenty-eight million, seven hundred fifty thousand, eight hundred seventy-two".