1241266465 has 8 divisors (see below), whose sum is σ = 1497081960. Its totient is φ = 987971712.

The previous prime is 1241266459. The next prime is 1241266469. The reversal of 1241266465 is 5646621421.

It can be written as a sum of positive squares in 4 ways, for example, as 609447969 + 631818496 = 24687^2 + 25136^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1241266465 - 2¹⁷ = 1241135393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1241266469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629100 + ... + 631069.

It is an arithmetic number, because the mean of its divisors is an integer number (187135245).

Almost surely, 2^1241266465 is an apocalyptic number.

It is an amenable number.

1241266465 is a deficient number, since it is larger than the sum of its proper divisors (255815495).

1241266465 is a wasteful number, since it uses less digits than its factorization.

1241266465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260371.

The product of its digits is 69120, while the sum is 37.

The square root of 1241266465 is about 35231.6117286734. The cubic root of 1241266465 is about 1074.7027019956.

Adding to 1241266465 its reverse (5646621421), we get a palindrome (6887887886).

The spelling of 1241266465 in words is "one billion, two hundred forty-one million, two hundred sixty-six thousand, four hundred sixty-five".