1004220123 has 16 divisors (see below), whose sum is σ = 1348341120. Its totient is φ = 664807104.

The previous prime is 1004220121. The next prime is 1004220131. The reversal of 1004220123 is 3210224001.

It is not a de Polignac number, because 1004220123 - 2¹ = 1004220121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1004220121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263848 + ... + 267626.

It is an arithmetic number, because the mean of its divisors is an integer number (84271320).

Almost surely, 2^1004220123 is an apocalyptic number.

1004220123 is a deficient number, since it is larger than the sum of its proper divisors (344120997).

1004220123 is a wasteful number, since it uses less digits than its factorization.

1004220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1004220123 is about 31689.4323552821. The cubic root of 1004220123 is about 1001.4047334666.

Adding to 1004220123 its reverse (3210224001), we get a palindrome (4214444124).

The spelling of 1004220123 in words is "one billion, four million, two hundred twenty thousand, one hundred twenty-three".