1421442430 has 8 divisors (see below), whose sum is σ = 2558596392. Its totient is φ = 568576968.

The previous prime is 1421442419. The next prime is 1421442433. The reversal of 1421442430 is 342441241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1421442395 and 1421442404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421442433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71072112 + ... + 71072131.

It is an arithmetic number, because the mean of its divisors is an integer number (319824549).

Almost surely, 2^1421442430 is an apocalyptic number.

1421442430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421442430 is a deficient number, since it is larger than the sum of its proper divisors (1137153962).

1421442430 is a wasteful number, since it uses less digits than its factorization.

1421442430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142144250.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1421442430 is about 37702.0215638366. The cubic root of 1421442430 is about 1124.3713175461.

Adding to 1421442430 its reverse (342441241), we get a palindrome (1763883671).

It can be divided in two parts, 14214 and 42430, that added together give a square (56644 = 238²).

The spelling of 1421442430 in words is "one billion, four hundred twenty-one million, four hundred forty-two thousand, four hundred thirty".