1460071721 has 2 divisors, whose sum is σ = 1460071722. Its totient is φ = 1460071720.

The previous prime is 1460071703. The next prime is 1460071727. The reversal of 1460071721 is 1271700641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1422421225 + 37650496 = 37715^2 + 6136^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1460071721 is a prime.

It is not a weakly prime, because it can be changed into another prime (1460071727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730035860 + 730035861.

It is an arithmetic number, because the mean of its divisors is an integer number (730035861).

Almost surely, 2^1460071721 is an apocalyptic number.

It is an amenable number.

1460071721 is a deficient number, since it is larger than the sum of its proper divisors (1).

1460071721 is an equidigital number, since it uses as much as digits as its factorization.

1460071721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 1460071721 is about 38210.8848497388. The cubic root of 1460071721 is about 1134.4657699184.

The spelling of 1460071721 in words is "one billion, four hundred sixty million, seventy-one thousand, seven hundred twenty-one".