10909042 has 8 divisors (see below), whose sum is σ = 16411500. Its totient is φ = 5438544.

The previous prime is 10909037. The next prime is 10909049. The reversal of 10909042 is 24090901.

It can be written as a sum of positive squares in 2 ways, for example, as 8415801 + 2493241 = 2901^2 + 1579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 10908998 and 10909016.

It is not an unprimeable number, because it can be changed into a prime (10909049) 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 3 ways as a sum of consecutive naturals, for example, 7117 + ... + 8512.

Almost surely, 2^10909042 is an apocalyptic number.

10909042 is a deficient number, since it is larger than the sum of its proper divisors (5502458).

10909042 is a wasteful number, since it uses less digits than its factorization.

10909042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15980.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 10909042 is about 3302.8838913895. The cubic root of 10909042 is about 221.7833153422.

Adding to 10909042 its reverse (24090901), we get a palindrome (34999943).

The spelling of 10909042 in words is "ten million, nine hundred nine thousand, forty-two".