101043242 has 16 divisors (see below), whose sum is σ = 154028040. Its totient is φ = 49704192.

The previous prime is 101043199. The next prime is 101043253. The reversal of 101043242 is 242340101.

It can be written as a sum of positive squares in 4 ways, for example, as 32501401 + 68541841 = 5701^2 + 8279^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101043242.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 88934 + ... + 90062.

Almost surely, 2^101043242 is an apocalyptic number.

101043242 is a deficient number, since it is larger than the sum of its proper divisors (52984798).

101043242 is a wasteful number, since it uses less digits than its factorization.

101043242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 101043242 is about 10052.0267608080. The cubic root of 101043242 is about 465.7674028176.

Adding to 101043242 its reverse (242340101), we get a palindrome (343383343).

The spelling of 101043242 in words is "one hundred one million, forty-three thousand, two hundred forty-two".