1014213421 has 12 divisors (see below), whose sum is σ = 1160262292. Its totient is φ = 881123328.

The previous prime is 1014213379. The next prime is 1014213427. The reversal of 1014213421 is 1243124101.

It can be written as a sum of positive squares in 6 ways, for example, as 27562500 + 986650921 = 5250^2 + 31411^2 .

It is not a de Polignac number, because 1014213421 - 2⁹ = 1014212909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1014213427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131220 + ... + 138733.

Almost surely, 2^1014213421 is an apocalyptic number.

It is an amenable number.

1014213421 is a deficient number, since it is larger than the sum of its proper divisors (146048871).

1014213421 is a wasteful number, since it uses less digits than its factorization.

1014213421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270000 (or 269983 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1014213421 is about 31846.7175859617. The cubic root of 1014213421 is about 1004.7155357704.

Adding to 1014213421 its reverse (1243124101), we get a palindrome (2257337522).

The spelling of 1014213421 in words is "one billion, fourteen million, two hundred thirteen thousand, four hundred twenty-one".