1201421404 has 6 divisors (see below), whose sum is σ = 2102487464. Its totient is φ = 600710700.

The previous prime is 1201421393. The next prime is 1201421423. The reversal of 1201421404 is 4041241021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150177672 + ... + 150177679.

Almost surely, 2^1201421404 is an apocalyptic number.

It is an amenable number.

1201421404 is a deficient number, since it is larger than the sum of its proper divisors (901066060).

1201421404 is a wasteful number, since it uses less digits than its factorization.

1201421404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300355355 (or 300355353 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1201421404 is about 34661.5262791470. The cubic root of 1201421404 is about 1063.0779778350.

Adding to 1201421404 its reverse (4041241021), we get a palindrome (5242662425).

The spelling of 1201421404 in words is "one billion, two hundred one million, four hundred twenty-one thousand, four hundred four".