111887148 has 12 divisors (see below), whose sum is σ = 261070040. Its totient is φ = 37295712.

The previous prime is 111887137. The next prime is 111887177. The reversal of 111887148 is 841788111.

It is a tau number, because it is divible by the number of its divisors (12).

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, 4661953 + ... + 4661976.

Almost surely, 2^111887148 is an apocalyptic number.

It is an amenable number.

111887148 is an abundant number, since it is smaller than the sum of its proper divisors (149182892).

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

111887148 is a wasteful number, since it uses less digits than its factorization.

111887148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9323936 (or 9323934 counting only the distinct ones).

The product of its digits is 14336, while the sum is 39.

The square root of 111887148 is about 10577.6721446640. The cubic root of 111887148 is about 481.8664999905.

It can be divided in two parts, 11188 and 7148, that added together give a triangular number (18336 = T₁₉₁).

The spelling of 111887148 in words is "one hundred eleven million, eight hundred eighty-seven thousand, one hundred forty-eight".