1265241242 has 8 divisors (see below), whose sum is σ = 1900391232. Its totient is φ = 631777500.

The previous prime is 1265241227. The next prime is 1265241251. The reversal of 1265241242 is 2421425621.

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

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, 419684 + ... + 422687.

It is an arithmetic number, because the mean of its divisors is an integer number (237548904).

Almost surely, 2^1265241242 is an apocalyptic number.

1265241242 is a deficient number, since it is larger than the sum of its proper divisors (635149990).

1265241242 is an equidigital number, since it uses as much as digits as its factorization.

1265241242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843124.

The product of its digits is 7680, while the sum is 29.

The square root of 1265241242 is about 35570.2297153111. The cubic root of 1265241242 is about 1081.5778383210.

Adding to 1265241242 its reverse (2421425621), we get a palindrome (3686666863).

The spelling of 1265241242 in words is "one billion, two hundred sixty-five million, two hundred forty-one thousand, two hundred forty-two".