1421214441 has 16 divisors (see below), whose sum is σ = 1912990464. Its totient is φ = 938497104.

The previous prime is 1421214439. The next prime is 1421214461. The reversal of 1421214441 is 1444121241.

It is not a de Polignac number, because 1421214441 - 2¹ = 1421214439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1421214401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145390 + ... + 154856.

It is an arithmetic number, because the mean of its divisors is an integer number (119561904).

Almost surely, 2^1421214441 is an apocalyptic number.

It is an amenable number.

1421214441 is a deficient number, since it is larger than the sum of its proper divisors (491776023).

1421214441 is a wasteful number, since it uses less digits than its factorization.

1421214441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9940.

The product of its digits is 1024, while the sum is 24.

The square root of 1421214441 is about 37698.9978779277. The cubic root of 1421214441 is about 1124.3112006786.

Adding to 1421214441 its reverse (1444121241), we get a palindrome (2865335682).

The spelling of 1421214441 in words is "one billion, four hundred twenty-one million, two hundred fourteen thousand, four hundred forty-one".