111967401 has 36 divisors (see below), whose sum is σ = 188091792. Its totient is φ = 59046624.

The previous prime is 111967393. The next prime is 111967409. The reversal of 111967401 is 104769111.

It is an interprime number because it is at equal distance from previous prime (111967393) and next prime (111967409).

It is not a de Polignac number, because 111967401 - 2³ = 111967393 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (111967409) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22590 + ... + 27096.

It is an arithmetic number, because the mean of its divisors is an integer number (5224772).

Almost surely, 2^111967401 is an apocalyptic number.

It is an amenable number.

111967401 is a deficient number, since it is larger than the sum of its proper divisors (76124391).

111967401 is a wasteful number, since it uses less digits than its factorization.

111967401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4550 (or 4530 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 111967401 is about 10581.4649741895. The cubic root of 111967401 is about 481.9816814948.

The spelling of 111967401 in words is "one hundred eleven million, nine hundred sixty-seven thousand, four hundred one".