1240104242 has 8 divisors (see below), whose sum is σ = 2003245356. Its totient is φ = 572355792.

The previous prime is 1240104211. The next prime is 1240104251. The reversal of 1240104242 is 2424010421.

It can be written as a sum of positive squares in 2 ways, for example, as 1196398921 + 43705321 = 34589^2 + 6611^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23848133 + ... + 23848184.

Almost surely, 2^1240104242 is an apocalyptic number.

1240104242 is a deficient number, since it is larger than the sum of its proper divisors (763141114).

1240104242 is a wasteful number, since it uses less digits than its factorization.

1240104242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47696332.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1240104242 is about 35215.1138291501. The cubic root of 1240104242 is about 1074.3671752650.

Adding to 1240104242 its reverse (2424010421), we get a palindrome (3664114663).

The spelling of 1240104242 in words is "one billion, two hundred forty million, one hundred four thousand, two hundred forty-two".