1421134304 has 48 divisors (see below), whose sum is σ = 2927262240. Its totient is φ = 677867520.

The previous prime is 1421134283. The next prime is 1421134307. The reversal of 1421134304 is 4034311241.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 1421134304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421134307) 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, 298664 + ... + 303384.

It is an arithmetic number, because the mean of its divisors is an integer number (60984630).

Almost surely, 2^1421134304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421134304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1463631120).

1421134304 is an abundant number, since it is smaller than the sum of its proper divisors (1506127936).

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

1421134304 is a wasteful number, since it uses less digits than its factorization.

1421134304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5163 (or 5155 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1421134304 is about 37697.9350097588. The cubic root of 1421134304 is about 1124.2900683715.

Adding to 1421134304 its reverse (4034311241), we get a palindrome (5455445545).

The spelling of 1421134304 in words is "one billion, four hundred twenty-one million, one hundred thirty-four thousand, three hundred four".