1204420403 has 8 divisors (see below), whose sum is σ = 1277346672. Its totient is φ = 1131725056.

The previous prime is 1204420397. The next prime is 1204420421. The reversal of 1204420403 is 3040244021.

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

It is a cyclic number.

It is not a de Polignac number, because 1204420403 - 2²² = 1200226099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204420423) 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, 46925 + ... + 67902.

It is an arithmetic number, because the mean of its divisors is an integer number (159668334).

Almost surely, 2^1204420403 is an apocalyptic number.

1204420403 is a deficient number, since it is larger than the sum of its proper divisors (72926269).

1204420403 is a wasteful number, since it uses less digits than its factorization.

1204420403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115461.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1204420403 is about 34704.7605235939. The cubic root of 1204420403 is about 1063.9617978044.

Adding to 1204420403 its reverse (3040244021), we get a palindrome (4244664424).

The spelling of 1204420403 in words is "one billion, two hundred four million, four hundred twenty thousand, four hundred three".