1421032013 has 6 divisors (see below), whose sum is σ = 1439253774. Its totient is φ = 1403038104.

The previous prime is 1421032007. The next prime is 1421032049. The reversal of 1421032013 is 3102301241.

It can be written as a sum of positive squares in only one way, i.e., 1361093449 + 59938564 = 36893^2 + 7742^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1421032013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1421031982 and 1421032000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421032003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107606 + ... + 120087.

It is an arithmetic number, because the mean of its divisors is an integer number (239875629).

Almost surely, 2^1421032013 is an apocalyptic number.

It is an amenable number.

1421032013 is a deficient number, since it is larger than the sum of its proper divisors (18221761).

1421032013 is an frugal number, since it uses more digits than its factorization.

1421032013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227851 (or 227772 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1421032013 is about 37696.5782664687. The cubic root of 1421032013 is about 1124.2630928505.

Adding to 1421032013 its reverse (3102301241), we get a palindrome (4523333254).

The spelling of 1421032013 in words is "one billion, four hundred twenty-one million, thirty-two thousand, thirteen".