1448766021 has 16 divisors (see below), whose sum is σ = 2085183360. Its totient is φ = 891992640.

The previous prime is 1448766001. The next prime is 1448766049. The reversal of 1448766021 is 1206678441.

It is not a de Polignac number, because 1448766021 - 2⁷ = 1448765893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1448766001) 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, 360010 + ... + 364011.

It is an arithmetic number, because the mean of its divisors is an integer number (130323960).

Almost surely, 2^1448766021 is an apocalyptic number.

It is an amenable number.

1448766021 is a deficient number, since it is larger than the sum of its proper divisors (636417339).

1448766021 is a wasteful number, since it uses less digits than its factorization.

1448766021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724076.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 1448766021 is about 38062.6591425244. The cubic root of 1448766021 is about 1131.5300288376.

It can be divided in two parts, 14487 and 66021, that added together give a palindrome (80508).

The spelling of 1448766021 in words is "one billion, four hundred forty-eight million, seven hundred sixty-six thousand, twenty-one".