111257106 has 8 divisors (see below), whose sum is σ = 222514224. Its totient is φ = 37085700.

The previous prime is 111257093. The next prime is 111257143. The reversal of 111257106 is 601752111.

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

111257106 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9271420 + ... + 9271431.

It is an arithmetic number, because the mean of its divisors is an integer number (27814278).

Almost surely, 2^111257106 is an apocalyptic number.

111257106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

111257106 is a wasteful number, since it uses less digits than its factorization.

111257106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18542856.

The product of its (nonzero) digits is 420, while the sum is 24.

The square root of 111257106 is about 10547.8484061917. The cubic root of 111257106 is about 480.9603256796.

The spelling of 111257106 in words is "one hundred eleven million, two hundred fifty-seven thousand, one hundred six".