1421434244 has 6 divisors (see below), whose sum is σ = 2487509934. Its totient is φ = 710717120.

The previous prime is 1421434241. The next prime is 1421434337. The reversal of 1421434244 is 4424341241.

It can be written as a sum of positive squares in only one way, i.e., 1331374144 + 90060100 = 36488^2 + 9490^2 .

It is not an unprimeable number, because it can be changed into a prime (1421434241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177679277 + ... + 177679284.

It is an arithmetic number, because the mean of its divisors is an integer number (414584989).

Almost surely, 2^1421434244 is an apocalyptic number.

It is an amenable number.

1421434244 is a deficient number, since it is larger than the sum of its proper divisors (1066075690).

1421434244 is a wasteful number, since it uses less digits than its factorization.

1421434244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355358565 (or 355358563 counting only the distinct ones).

The product of its digits is 12288, while the sum is 29.

The square root of 1421434244 is about 37701.9130018624. The cubic root of 1421434244 is about 1124.3691591468.

Adding to 1421434244 its reverse (4424341241), we get a palindrome (5845775485).

The spelling of 1421434244 in words is "one billion, four hundred twenty-one million, four hundred thirty-four thousand, two hundred forty-four".