11870120 has 16 divisors (see below), whose sum is σ = 26707860. Its totient is φ = 4748032.

The previous prime is 11870119. The next prime is 11870137. The reversal of 11870120 is 2107811.

It can be written as a sum of positive squares in 2 ways, for example, as 10510564 + 1359556 = 3242^2 + 1166^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11870092 and 11870101.

It is an unprimeable number.

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, 148337 + ... + 148416.

Almost surely, 2^11870120 is an apocalyptic number.

11870120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11870120 is an abundant number, since it is smaller than the sum of its proper divisors (14837740).

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

11870120 is a wasteful number, since it uses less digits than its factorization.

11870120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296764 (or 296760 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 11870120 is about 3445.3040504432. The cubic root of 11870120 is about 228.1138756069.

Adding to 11870120 its reverse (2107811), we get a palindrome (13977931).

The spelling of 11870120 in words is "eleven million, eight hundred seventy thousand, one hundred twenty".