1201420404 has 48 divisors (see below), whose sum is σ = 3137568000. Its totient is φ = 397545408.

The previous prime is 1201420399. The next prime is 1201420421. The reversal of 1201420404 is 4040241021.

1201420404 is a `hidden beast` number, since 1 + 201 + 420 + 40 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25804 + ... + 55395.

It is an arithmetic number, because the mean of its divisors is an integer number (65366000).

Almost surely, 2^1201420404 is an apocalyptic number.

It is an amenable number.

1201420404 is an abundant number, since it is smaller than the sum of its proper divisors (1936147596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201420404 is a wasteful number, since it uses less digits than its factorization.

1201420404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81349 (or 81341 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1201420404 is about 34661.5118539281. The cubic root of 1201420404 is about 1063.0776828848.

Adding to 1201420404 its reverse (4040241021), we get a palindrome (5241661425).

The spelling of 1201420404 in words is "one billion, two hundred one million, four hundred twenty thousand, four hundred four".