1450213121 has 16 divisors (see below), whose sum is σ = 1717718400. Its totient is φ = 1197950208.

The previous prime is 1450213027. The next prime is 1450213123. The reversal of 1450213121 is 1213120541.

It is a de Polignac number, because none of the positive numbers 2^k-1450213121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1450213093 and 1450213102.

It is not an unprimeable number, because it can be changed into a prime (1450213123) 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, 107945 + ... + 120633.

It is an arithmetic number, because the mean of its divisors is an integer number (107357400).

Almost surely, 2^1450213121 is an apocalyptic number.

It is an amenable number.

1450213121 is a deficient number, since it is larger than the sum of its proper divisors (267505279).

1450213121 is a wasteful number, since it uses less digits than its factorization.

1450213121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13288.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1450213121 is about 38081.6638423271. The cubic root of 1450213121 is about 1131.9066464093.

Adding to 1450213121 its reverse (1213120541), we get a palindrome (2663333662).

The spelling of 1450213121 in words is "one billion, four hundred fifty million, two hundred thirteen thousand, one hundred twenty-one".