1450215021 has 16 divisors (see below), whose sum is σ = 2019680640. Its totient is φ = 923862720.

The previous prime is 1450215017. The next prime is 1450215047. The reversal of 1450215021 is 1205120541.

It is not a de Polignac number, because 1450215021 - 2² = 1450215017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450215121) 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, 63931 + ... + 83591.

It is an arithmetic number, because the mean of its divisors is an integer number (126230040).

Almost surely, 2^1450215021 is an apocalyptic number.

It is an amenable number.

1450215021 is a deficient number, since it is larger than the sum of its proper divisors (569465619).

1450215021 is a wasteful number, since it uses less digits than its factorization.

1450215021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20756.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1450215021 is about 38081.6887887079. The cubic root of 1450215021 is about 1131.9071407324.

Adding to 1450215021 its reverse (1205120541), we get a palindrome (2655335562).

The spelling of 1450215021 in words is "one billion, four hundred fifty million, two hundred fifteen thousand, twenty-one".