1240105522 has 8 divisors (see below), whose sum is σ = 1863062172. Its totient is φ = 619084800.

The previous prime is 1240105499. The next prime is 1240105523. The reversal of 1240105522 is 2255010421.

It can be written as a sum of positive squares in 2 ways, for example, as 1027266601 + 212838921 = 32051^2 + 14589^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1240105493 and 1240105502.

It is not an unprimeable number, because it can be changed into a prime (1240105523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482379 + ... + 484942.

Almost surely, 2^1240105522 is an apocalyptic number.

1240105522 is a deficient number, since it is larger than the sum of its proper divisors (622956650).

1240105522 is an equidigital number, since it uses as much as digits as its factorization.

1240105522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967964.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1240105522 is about 35215.1320031602. The cubic root of 1240105522 is about 1074.3675449085.

Adding to 1240105522 its reverse (2255010421), we get a palindrome (3495115943).

The spelling of 1240105522 in words is "one billion, two hundred forty million, one hundred five thousand, five hundred twenty-two".