1449721201 has 8 divisors (see below), whose sum is σ = 1463607720. Its totient is φ = 1435893888.

The previous prime is 1449721177. The next prime is 1449721219. The reversal of 1449721201 is 1021279441.

It can be written as a sum of positive squares in 4 ways, for example, as 19368801 + 1430352400 = 4401^2 + 37820^2 .

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 1449721201 - 2¹³ = 1449713009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1449721001) 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, 35205 + ... + 64333.

It is an arithmetic number, because the mean of its divisors is an integer number (182950965).

Almost surely, 2^1449721201 is an apocalyptic number.

It is an amenable number.

1449721201 is a deficient number, since it is larger than the sum of its proper divisors (13886519).

1449721201 is a wasteful number, since it uses less digits than its factorization.

1449721201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29603.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1449721201 is about 38075.2045431144. The cubic root of 1449721201 is about 1131.7786490185.

The spelling of 1449721201 in words is "one billion, four hundred forty-nine million, seven hundred twenty-one thousand, two hundred one".