1242041202 has 40 divisors (see below), whose sum is σ = 2785169772. Its totient is φ = 413704800.

The previous prime is 1242041159. The next prime is 1242041209. The reversal of 1242041202 is 2021402421.

1242041202 is a `hidden beast` number, since 1 + 2 + 420 + 41 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 946854441 + 295186761 = 30771^2 + 17181^2 .

It is a super-3 number, since 3×1242041202³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1242041209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 345052 + ... + 348632.

Almost surely, 2^1242041202 is an apocalyptic number.

1242041202 is an abundant number, since it is smaller than the sum of its proper divisors (1543128570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242041202 is a wasteful number, since it uses less digits than its factorization.

1242041202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5736 (or 5727 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1242041202 is about 35242.6049264239. The cubic root of 1242041202 is about 1074.9262475452.

Adding to 1242041202 its reverse (2021402421), we get a palindrome (3263443623).

The spelling of 1242041202 in words is "one billion, two hundred forty-two million, forty-one thousand, two hundred two".