1241210042 has 8 divisors (see below), whose sum is σ = 1942763616. Its totient is φ = 593622172.

The previous prime is 1241210039. The next prime is 1241210057. The reversal of 1241210042 is 2400121421.

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

It is a super-3 number, since 3×1241210042³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1241210042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13491368 + ... + 13491459.

It is an arithmetic number, because the mean of its divisors is an integer number (242845452).

Almost surely, 2^1241210042 is an apocalyptic number.

1241210042 is a deficient number, since it is larger than the sum of its proper divisors (701553574).

1241210042 is a wasteful number, since it uses less digits than its factorization.

1241210042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26982852.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1241210042 is about 35230.8109756219. The cubic root of 1241210042 is about 1074.6864178560.

Adding to 1241210042 its reverse (2400121421), we get a palindrome (3641331463).

The spelling of 1241210042 in words is "one billion, two hundred forty-one million, two hundred ten thousand, forty-two".