1228001842 has 8 divisors (see below), whose sum is σ = 1848003696. Its totient is φ = 612000612.

The previous prime is 1228001821. The next prime is 1228001867. The reversal of 1228001842 is 2481008221.

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

1228001842 is a modest number, since divided by 1842 gives 1228 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1228001842.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 999388 + ... + 1000615.

It is an arithmetic number, because the mean of its divisors is an integer number (231000462).

Almost surely, 2^1228001842 is an apocalyptic number.

1228001842 is a deficient number, since it is larger than the sum of its proper divisors (620001854).

1228001842 is a wasteful number, since it uses less digits than its factorization.

1228001842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000312.

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 1228001842 is about 35042.8572179838. The cubic root of 1228001842 is about 1070.8607631034.

The spelling of 1228001842 in words is "one billion, two hundred twenty-eight million, one thousand, eight hundred forty-two".