111402059 has 4 divisors (see below), whose sum is σ = 111444216. Its totient is φ = 111359904.

The previous prime is 111402013. The next prime is 111402077. The reversal of 111402059 is 950204111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 950204111 = 29 ⋅32765659.

It is a cyclic number.

It is not a de Polignac number, because 111402059 - 2¹² = 111397963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111402259) 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, 16829 + ... + 22494.

It is an arithmetic number, because the mean of its divisors is an integer number (27861054).

Almost surely, 2^111402059 is an apocalyptic number.

111402059 is a deficient number, since it is larger than the sum of its proper divisors (42157).

111402059 is an equidigital number, since it uses as much as digits as its factorization.

111402059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42156.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 111402059 is about 10554.7173813419. The cubic root of 111402059 is about 481.1691105066.

The spelling of 111402059 in words is "one hundred eleven million, four hundred two thousand, fifty-nine".