1461201265 has 4 divisors (see below), whose sum is σ = 1753441524. Its totient is φ = 1168961008.

The previous prime is 1461201253. The next prime is 1461201271. The reversal of 1461201265 is 5621021641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1115092449 + 346108816 = 33393^2 + 18604^2 .

It is a cyclic number.

It is not a de Polignac number, because 1461201265 - 2⁹ = 1461200753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146120122 + ... + 146120131.

It is an arithmetic number, because the mean of its divisors is an integer number (438360381).

Almost surely, 2^1461201265 is an apocalyptic number.

It is an amenable number.

1461201265 is a deficient number, since it is larger than the sum of its proper divisors (292240259).

1461201265 is an equidigital number, since it uses as much as digits as its factorization.

1461201265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292240258.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1461201265 is about 38225.6623879822. The cubic root of 1461201265 is about 1134.7582438382.

The spelling of 1461201265 in words is "one billion, four hundred sixty-one million, two hundred one thousand, two hundred sixty-five".