1428285501 has 8 divisors (see below), whose sum is σ = 2115978560. Its totient is φ = 952190316.

The previous prime is 1428285493. The next prime is 1428285503. The reversal of 1428285501 is 1055828241.

1428285501 is a `hidden beast` number, since 142 + 8 + 2 + 8 + 5 + 501 = 666.

It is not a de Polignac number, because 1428285501 - 2³ = 1428285493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428285503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26449705 + ... + 26449758.

It is an arithmetic number, because the mean of its divisors is an integer number (264497320).

Almost surely, 2^1428285501 is an apocalyptic number.

It is an amenable number.

1428285501 is a deficient number, since it is larger than the sum of its proper divisors (687693059).

1428285501 is an equidigital number, since it uses as much as digits as its factorization.

1428285501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52899472 (or 52899466 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 1428285501 is about 37792.6646454044. The cubic root of 1428285501 is about 1126.1727361884.

The spelling of 1428285501 in words is "one billion, four hundred twenty-eight million, two hundred eighty-five thousand, five hundred one".