1460921281 has 4 divisors (see below), whose sum is σ = 1461025492. Its totient is φ = 1460817072.

The previous prime is 1460921261. The next prime is 1460921311. The reversal of 1460921281 is 1821290641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 99680256 + 1361241025 = 9984^2 + 36895^2 .

It is a cyclic number.

It is not a de Polignac number, because 1460921281 - 2¹¹ = 1460919233 is a prime.

It is a super-2 number, since 2×1460921281² = 4268581978557361922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1460921251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27066 + ... + 60451.

It is an arithmetic number, because the mean of its divisors is an integer number (365256373).

Almost surely, 2^1460921281 is an apocalyptic number.

It is an amenable number.

1460921281 is a deficient number, since it is larger than the sum of its proper divisors (104211).

1460921281 is an equidigital number, since it uses as much as digits as its factorization.

1460921281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104210.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 1460921281 is about 38221.9999607556. Note that the first 4 decimals coincide. The cubic root of 1460921281 is about 1134.6857613645.

The spelling of 1460921281 in words is "one billion, four hundred sixty million, nine hundred twenty-one thousand, two hundred eighty-one".