1260150065 has 4 divisors (see below), whose sum is σ = 1512180084. Its totient is φ = 1008120048.

The previous prime is 1260150049. The next prime is 1260150083. The reversal of 1260150065 is 5600510621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5600510621 = 50627 ⋅110623.

It can be written as a sum of positive squares in 2 ways, for example, as 974438656 + 285711409 = 31216^2 + 16903^2 .

It is a cyclic number.

It is not a de Polignac number, because 1260150065 - 2⁴ = 1260150049 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, 126015002 + ... + 126015011.

It is an arithmetic number, because the mean of its divisors is an integer number (378045021).

Almost surely, 2^1260150065 is an apocalyptic number.

It is an amenable number.

1260150065 is a deficient number, since it is larger than the sum of its proper divisors (252030019).

1260150065 is an equidigital number, since it uses as much as digits as its factorization.

1260150065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252030018.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1260150065 is about 35498.5924368840. The cubic root of 1260150065 is about 1080.1251755346.

Adding to 1260150065 its reverse (5600510621), we get a palindrome (6860660686).

The spelling of 1260150065 in words is "one billion, two hundred sixty million, one hundred fifty thousand, sixty-five".