1242010004 has 12 divisors (see below), whose sum is σ = 2301371604. Its totient is φ = 584475264.

The previous prime is 1242009991. The next prime is 1242010027. The reversal of 1242010004 is 4000102421.

It can be written as a sum of positive squares in 2 ways, for example, as 1053002500 + 189007504 = 32450^2 + 13748^2 .

It is a congruent number.

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, 9132359 + ... + 9132494.

It is an arithmetic number, because the mean of its divisors is an integer number (191780967).

Almost surely, 2^1242010004 is an apocalyptic number.

It is an amenable number.

1242010004 is a deficient number, since it is larger than the sum of its proper divisors (1059361600).

1242010004 is a wasteful number, since it uses less digits than its factorization.

1242010004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18264874 (or 18264872 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1242010004 is about 35242.1623059653. The cubic root of 1242010004 is about 1074.9172473527.

Adding to 1242010004 its reverse (4000102421), we get a palindrome (5242112425).

The spelling of 1242010004 in words is "one billion, two hundred forty-two million, ten thousand, four".