1421133430 has 32 divisors (see below), whose sum is σ = 2685705984. Its totient is φ = 540387936.

The previous prime is 1421133421. The next prime is 1421133437. The reversal of 1421133430 is 343311241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421133437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18537 + ... + 56443.

It is an arithmetic number, because the mean of its divisors is an integer number (83928312).

Almost surely, 2^1421133430 is an apocalyptic number.

1421133430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421133430 is a deficient number, since it is larger than the sum of its proper divisors (1264572554).

1421133430 is a wasteful number, since it uses less digits than its factorization.

1421133430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38100.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1421133430 is about 37697.9234176102. The cubic root of 1421133430 is about 1124.2898378913.

Adding to 1421133430 its reverse (343311241), we get a palindrome (1764444671).

The spelling of 1421133430 in words is "one billion, four hundred twenty-one million, one hundred thirty-three thousand, four hundred thirty".