1214425404 has 18 divisors (see below), whose sum is σ = 3069797640. Its totient is φ = 404808456.

The previous prime is 1214425397. The next prime is 1214425409. The reversal of 1214425404 is 4045244121.

1214425404 is a `hidden beast` number, since 1 + 214 + 42 + 5 + 404 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214425409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16866984 + ... + 16867055.

Almost surely, 2^1214425404 is an apocalyptic number.

It is an amenable number.

1214425404 is an abundant number, since it is smaller than the sum of its proper divisors (1855372236).

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

1214425404 is a wasteful number, since it uses less digits than its factorization.

1214425404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33734049 (or 33734044 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 1214425404 is about 34848.6069162025. The cubic root of 1214425404 is about 1066.8997527520.

Adding to 1214425404 its reverse (4045244121), we get a palindrome (5259669525).

The spelling of 1214425404 in words is "one billion, two hundred fourteen million, four hundred twenty-five thousand, four hundred four".