120009838 has 16 divisors (see below), whose sum is σ = 194183136. Its totient is φ = 55297440.

The previous prime is 120009823. The next prime is 120009881. The reversal of 120009838 is 838900021.

It is a super-2 number, since 2×120009838² = 28804722433572488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13695 + ... + 20677.

It is an arithmetic number, because the mean of its divisors is an integer number (12136446).

Almost surely, 2^120009838 is an apocalyptic number.

120009838 is a deficient number, since it is larger than the sum of its proper divisors (74173298).

120009838 is a wasteful number, since it uses less digits than its factorization.

120009838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7659.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 120009838 is about 10954.9001821103. The cubic root of 120009838 is about 493.2558937169.

Adding to 120009838 its reverse (838900021), we get a palindrome (958909859).

The spelling of 120009838 in words is "one hundred twenty million, nine thousand, eight hundred thirty-eight".