1204104021 has 8 divisors (see below), whose sum is σ = 1612545504. Its totient is φ = 799199280.

The previous prime is 1204104019. The next prime is 1204104023. The reversal of 1204104021 is 1204014021.

It is an interprime number because it is at equal distance from previous prime (1204104019) and next prime (1204104023).

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

It is not a de Polignac number, because 1204104021 - 2¹ = 1204104019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204104023) 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, 883390 + ... + 884751.

It is an arithmetic number, because the mean of its divisors is an integer number (201568188).

Almost surely, 2^1204104021 is an apocalyptic number.

It is an amenable number.

1204104021 is a deficient number, since it is larger than the sum of its proper divisors (408441483).

1204104021 is a wasteful number, since it uses less digits than its factorization.

1204104021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768371.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1204104021 is about 34700.2020311122. The cubic root of 1204104021 is about 1063.8686277231.

Adding to 1204104021 its reverse (1204014021), we get a palindrome (2408118042).

Subtracting from 1204104021 its reverse (1204014021), we obtain a square (90000 = 300²).

The spelling of 1204104021 in words is "one billion, two hundred four million, one hundred four thousand, twenty-one".