1421434120 has 64 divisors (see below), whose sum is σ = 3261812400. Its totient is φ = 557383680.

The previous prime is 1421434057. The next prime is 1421434151. The reversal of 1421434120 is 214341241.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 901320484 + 520113636 = 30022^2 + 22806^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1421434091 and 1421434100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421240 + ... + 424600.

Almost surely, 2^1421434120 is an apocalyptic number.

1421434120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421434120 is an abundant number, since it is smaller than the sum of its proper divisors (1840378280).

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

1421434120 is a wasteful number, since it uses less digits than its factorization.

1421434120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578 (or 3574 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1421434120 is about 37701.9113573835. The cubic root of 1421434120 is about 1124.3691264517.

Adding to 1421434120 its reverse (214341241), we get a palindrome (1635775361).

The spelling of 1421434120 in words is "one billion, four hundred twenty-one million, four hundred thirty-four thousand, one hundred twenty".