105878151 has 8 divisors (see below), whose sum is σ = 156856560. Its totient is φ = 70585416.

The previous prime is 105878147. The next prime is 105878161. The reversal of 105878151 is 151878501.

It is a happy number.

It is not a de Polignac number, because 105878151 - 2² = 105878147 is a prime.

It is a super-2 number, since 2×105878151² = 22420365718357602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105878161) 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, 1960680 + ... + 1960733.

It is an arithmetic number, because the mean of its divisors is an integer number (19607070).

Almost surely, 2^105878151 is an apocalyptic number.

105878151 is a deficient number, since it is larger than the sum of its proper divisors (50978409).

105878151 is an equidigital number, since it uses as much as digits as its factorization.

105878151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921422 (or 3921416 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 36.

The square root of 105878151 is about 10289.7109288843. The cubic root of 105878151 is about 473.0809382536.

The spelling of 105878151 in words is "one hundred five million, eight hundred seventy-eight thousand, one hundred fifty-one".