1420321412 has 6 divisors (see below), whose sum is σ = 2485562478. Its totient is φ = 710160704.

The previous prime is 1420321411. The next prime is 1420321439. The reversal of 1420321412 is 2141230241.

It can be written as a sum of positive squares in only one way, i.e., 837292096 + 583029316 = 28936^2 + 24146^2 .

It is not an unprimeable number, because it can be changed into a prime (1420321411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177540173 + ... + 177540180.

It is an arithmetic number, because the mean of its divisors is an integer number (414260413).

Almost surely, 2^1420321412 is an apocalyptic number.

It is an amenable number.

1420321412 is a deficient number, since it is larger than the sum of its proper divisors (1065241066).

1420321412 is a wasteful number, since it uses less digits than its factorization.

1420321412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355080357 (or 355080355 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1420321412 is about 37687.1518159704. The cubic root of 1420321412 is about 1124.0756620082.

Adding to 1420321412 its reverse (2141230241), we get a palindrome (3561551653).

The spelling of 1420321412 in words is "one billion, four hundred twenty million, three hundred twenty-one thousand, four hundred twelve".