11870105 has 8 divisors (see below), whose sum is σ = 15339912. Its totient is φ = 8765568.

The previous prime is 11870101. The next prime is 11870113. The reversal of 11870105 is 50107811.

It can be written as a sum of positive squares in 4 ways, for example, as 1183744 + 10686361 = 1088^2 + 3269^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11870105 - 2² = 11870101 is a prime.

It is a super-2 number, since 2×11870105² = 281798785422050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11870101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91244 + ... + 91373.

It is an arithmetic number, because the mean of its divisors is an integer number (1917489).

Almost surely, 2^11870105 is an apocalyptic number.

It is an amenable number.

11870105 is a deficient number, since it is larger than the sum of its proper divisors (3469807).

11870105 is a wasteful number, since it uses less digits than its factorization.

11870105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182635.

The product of its (nonzero) digits is 280, while the sum is 23.

The square root of 11870105 is about 3445.3018735664. The cubic root of 11870105 is about 228.1137795194.

Adding to 11870105 its reverse (50107811), we get a palindrome (61977916).

The spelling of 11870105 in words is "eleven million, eight hundred seventy thousand, one hundred five".