1448105921 has 8 divisors (see below), whose sum is σ = 1511714880. Its totient is φ = 1384550992.

The previous prime is 1448105903. The next prime is 1448105927. The reversal of 1448105921 is 1295018441.

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 1448105921 - 2²² = 1443911617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1448105927) 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, 47111 + ... + 71523.

It is an arithmetic number, because the mean of its divisors is an integer number (188964360).

Almost surely, 2^1448105921 is an apocalyptic number.

It is an amenable number.

1448105921 is a deficient number, since it is larger than the sum of its proper divisors (63608959).

1448105921 is a wasteful number, since it uses less digits than its factorization.

1448105921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27015.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 1448105921 is about 38053.9869264707. The cubic root of 1448105921 is about 1131.3581500502.

The spelling of 1448105921 in words is "one billion, four hundred forty-eight million, one hundred five thousand, nine hundred twenty-one".