1020042234 has 20 divisors (see below), whose sum is σ = 2285650554. Its totient is φ = 340014024.

The previous prime is 1020042223. The next prime is 1020042263. The reversal of 1020042234 is 4322400201.

1020042234 is a `hidden beast` number, since 10 + 200 + 422 + 34 = 666.

It can be written as a sum of positive squares in only one way, i.e., 933608025 + 86434209 = 30555^2 + 9297^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3148117 + ... + 3148440.

Almost surely, 2^1020042234 is an apocalyptic number.

1020042234 is an abundant number, since it is smaller than the sum of its proper divisors (1265608320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020042234 is an equidigital number, since it uses as much as digits as its factorization.

1020042234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6296571 (or 6296562 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1020042234 is about 31938.1000374161. The cubic root of 1020042234 is about 1006.6366027355.

Adding to 1020042234 its reverse (4322400201), we get a palindrome (5342442435).

The spelling of 1020042234 in words is "one billion, twenty million, forty-two thousand, two hundred thirty-four".