111946087 has 4 divisors (see below), whose sum is σ = 122123016. Its totient is φ = 101769160.

The previous prime is 111946073. The next prime is 111946091. The reversal of 111946087 is 780649111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780649111 = 11 ⋅70968101.

It is a cyclic number.

It is not a de Polignac number, because 111946087 - 2¹¹ = 111944039 is a prime.

It is a super-2 number, since 2×111946087² = 25063852789223138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111946067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5088448 + ... + 5088469.

It is an arithmetic number, because the mean of its divisors is an integer number (30530754).

Almost surely, 2^111946087 is an apocalyptic number.

111946087 is a deficient number, since it is larger than the sum of its proper divisors (10176929).

111946087 is a wasteful number, since it uses less digits than its factorization.

111946087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10176928.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 111946087 is about 10580.4577878275. The cubic root of 111946087 is about 481.9510963739.

The spelling of 111946087 in words is "one hundred eleven million, nine hundred forty-six thousand, eighty-seven".