10840120 has 16 divisors (see below), whose sum is σ = 24390360. Its totient is φ = 4336032.

The previous prime is 10840117. The next prime is 10840147. The reversal of 10840120 is 2104801.

It is a happy number.

It is a super-2 number, since 2×10840120² = 235016403228800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10840094 and 10840103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135462 + ... + 135541.

Almost surely, 2^10840120 is an apocalyptic number.

10840120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10840120 is an abundant number, since it is smaller than the sum of its proper divisors (13550240).

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

10840120 is a wasteful number, since it uses less digits than its factorization.

10840120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271014 (or 271010 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 10840120 is about 3292.4337502826. The cubic root of 10840120 is about 221.3152615848.

Adding to 10840120 its reverse (2104801), we get a palindrome (12944921).

The spelling of 10840120 in words is "ten million, eight hundred forty thousand, one hundred twenty".