1242115004 has 24 divisors (see below), whose sum is σ = 2346672720. Its totient is φ = 571872384.

The previous prime is 1242114983. The next prime is 1242115009. The reversal of 1242115004 is 4005112421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242115009) 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, 7934 + ... + 50469.

It is an arithmetic number, because the mean of its divisors is an integer number (97778030).

Almost surely, 2^1242115004 is an apocalyptic number.

It is an amenable number.

1242115004 is a deficient number, since it is larger than the sum of its proper divisors (1104557716).

1242115004 is a wasteful number, since it uses less digits than its factorization.

1242115004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58829 (or 58827 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1242115004 is about 35243.6519674111. The cubic root of 1242115004 is about 1074.9475378039.

Adding to 1242115004 its reverse (4005112421), we get a palindrome (5247227425).

The spelling of 1242115004 in words is "one billion, two hundred forty-two million, one hundred fifteen thousand, four".