1450021131 has 24 divisors (see below), whose sum is σ = 2353661856. Its totient is φ = 853522560.

The previous prime is 1450021123. The next prime is 1450021207. The reversal of 1450021131 is 1311200541.

1450021131 is a `hidden beast` number, since 1 + 450 + 0 + 211 + 3 + 1 = 666.

It is not a de Polignac number, because 1450021131 - 2³ = 1450021123 is a prime.

It is a super-2 number, since 2×1450021131² = 4205122560693038322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1450021121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 266730 + ... + 272111.

It is an arithmetic number, because the mean of its divisors is an integer number (98069244).

Almost surely, 2^1450021131 is an apocalyptic number.

1450021131 is a deficient number, since it is larger than the sum of its proper divisors (903640725).

1450021131 is a wasteful number, since it uses less digits than its factorization.

1450021131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538883 (or 538880 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1450021131 is about 38079.1429919319. The cubic root of 1450021131 is about 1131.8566941311.

Adding to 1450021131 its reverse (1311200541), we get a palindrome (2761221672).

The spelling of 1450021131 in words is "one billion, four hundred fifty million, twenty-one thousand, one hundred thirty-one".