1204234421 has 16 divisors (see below), whose sum is σ = 1366579200. Its totient is φ = 1051973568.

The previous prime is 1204234417. The next prime is 1204234429. The reversal of 1204234421 is 1244324021.

It is a cyclic number.

It is not a de Polignac number, because 1204234421 - 2² = 1204234417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204234429) 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, 301580 + ... + 305546.

It is an arithmetic number, because the mean of its divisors is an integer number (85411200).

Almost surely, 2^1204234421 is an apocalyptic number.

It is an amenable number.

1204234421 is a deficient number, since it is larger than the sum of its proper divisors (162344779).

1204234421 is a wasteful number, since it uses less digits than its factorization.

1204234421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5228.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1204234421 is about 34702.0809318404. The cubic root of 1204234421 is about 1063.9070306792.

Adding to 1204234421 its reverse (1244324021), we get a palindrome (2448558442).

The spelling of 1204234421 in words is "one billion, two hundred four million, two hundred thirty-four thousand, four hundred twenty-one".