1428212315 has 16 divisors (see below), whose sum is σ = 1776910080. Its totient is φ = 1100856960.

The previous prime is 1428212263. The next prime is 1428212407. The reversal of 1428212315 is 5132128241.

It is a happy number.

It is not a de Polignac number, because 1428212315 - 2⁶ = 1428212251 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15377 + ... + 55613.

It is an arithmetic number, because the mean of its divisors is an integer number (111056880).

Almost surely, 2^1428212315 is an apocalyptic number.

1428212315 is a deficient number, since it is larger than the sum of its proper divisors (348697765).

1428212315 is a wasteful number, since it uses less digits than its factorization.

1428212315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40502.

The product of its digits is 3840, while the sum is 29.

The square root of 1428212315 is about 37791.6963763206. The cubic root of 1428212315 is about 1126.1535006584.

The spelling of 1428212315 in words is "one billion, four hundred twenty-eight million, two hundred twelve thousand, three hundred fifteen".