1428248942 has 8 divisors (see below), whose sum is σ = 2171721216. Its totient is φ = 704341872.

The previous prime is 1428248911. The next prime is 1428248989. The reversal of 1428248942 is 2498428241.

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

It is a junction number, because it is equal to n+sod(n) for n = 1428248893 and 1428248902.

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, 4891118 + ... + 4891409.

It is an arithmetic number, because the mean of its divisors is an integer number (271465152).

Almost surely, 2^1428248942 is an apocalyptic number.

1428248942 is a deficient number, since it is larger than the sum of its proper divisors (743472274).

1428248942 is an equidigital number, since it uses as much as digits as its factorization.

1428248942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9782602.

The product of its digits is 294912, while the sum is 44.

The square root of 1428248942 is about 37792.1809637920. The cubic root of 1428248942 is about 1126.1631274418.

The spelling of 1428248942 in words is "one billion, four hundred twenty-eight million, two hundred forty-eight thousand, nine hundred forty-two".