1411441021 has 8 divisors (see below), whose sum is σ = 1437041088. Its totient is φ = 1386000000.

The previous prime is 1411441013. The next prime is 1411441027. The reversal of 1411441021 is 1201441141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1411441021 - 2³ = 1411441013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1411441021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1411441027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21780 + ... + 57421.

It is an arithmetic number, because the mean of its divisors is an integer number (179630136).

Almost surely, 2^1411441021 is an apocalyptic number.

It is an amenable number.

1411441021 is a deficient number, since it is larger than the sum of its proper divisors (25600067).

1411441021 is an equidigital number, since it uses as much as digits as its factorization.

1411441021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79523.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1411441021 is about 37569.1498572965. The cubic root of 1411441021 is about 1121.7280459185.

Adding to 1411441021 its reverse (1201441141), we get a palindrome (2612882162).

The spelling of 1411441021 in words is "one billion, four hundred eleven million, four hundred forty-one thousand, twenty-one".