1421034430 has 8 divisors (see below), whose sum is σ = 2557861992. Its totient is φ = 568413768.

The previous prime is 1421034401. The next prime is 1421034449. The reversal of 1421034430 is 344301241.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71051712 + ... + 71051731.

It is an arithmetic number, because the mean of its divisors is an integer number (319732749).

Almost surely, 2^1421034430 is an apocalyptic number.

1421034430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421034430 is a deficient number, since it is larger than the sum of its proper divisors (1136827562).

1421034430 is a wasteful number, since it uses less digits than its factorization.

1421034430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142103450.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1421034430 is about 37696.6103250677. The cubic root of 1421034430 is about 1124.2637302610.

Adding to 1421034430 its reverse (344301241), we get a palindrome (1765335671).

The spelling of 1421034430 in words is "one billion, four hundred twenty-one million, thirty-four thousand, four hundred thirty".