1428812195 has 8 divisors (see below), whose sum is σ = 1730599344. Its totient is φ = 1132366624.

The previous prime is 1428812191. The next prime is 1428812237. The reversal of 1428812195 is 5912188241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1428812195 - 2² = 1428812191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1428812191) 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, 1334804 + ... + 1335873.

It is an arithmetic number, because the mean of its divisors is an integer number (216324918).

Almost surely, 2^1428812195 is an apocalyptic number.

1428812195 is a deficient number, since it is larger than the sum of its proper divisors (301787149).

1428812195 is a wasteful number, since it uses less digits than its factorization.

1428812195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670789.

The product of its digits is 46080, while the sum is 41.

The square root of 1428812195 is about 37799.6322072054. The cubic root of 1428812195 is about 1126.3111481814.

The spelling of 1428812195 in words is "one billion, four hundred twenty-eight million, eight hundred twelve thousand, one hundred ninety-five".