1242336166 has 32 divisors (see below), whose sum is σ = 2080235520. Its totient is φ = 552988800.

The previous prime is 1242336163. The next prime is 1242336239. The reversal of 1242336166 is 6616332421.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242336163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587451 + ... + 589561.

It is an arithmetic number, because the mean of its divisors is an integer number (65007360).

Almost surely, 2^1242336166 is an apocalyptic number.

1242336166 is a deficient number, since it is larger than the sum of its proper divisors (837899354).

1242336166 is a wasteful number, since it uses less digits than its factorization.

1242336166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060.

The product of its digits is 31104, while the sum is 34.

The square root of 1242336166 is about 35246.7894424443. The cubic root of 1242336166 is about 1075.0113331417.

Adding to 1242336166 its reverse (6616332421), we get a palindrome (7858668587).

The spelling of 1242336166 in words is "one billion, two hundred forty-two million, three hundred thirty-six thousand, one hundred sixty-six".