111402607 has 4 divisors (see below), whose sum is σ = 111499560. Its totient is φ = 111305656.

The previous prime is 111402587. The next prime is 111402631. The reversal of 111402607 is 706204111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 706204111 = 1291 ⋅547021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111402607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111402677) 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, 46732 + ... + 49057.

It is an arithmetic number, because the mean of its divisors is an integer number (27874890).

Almost surely, 2^111402607 is an apocalyptic number.

111402607 is a deficient number, since it is larger than the sum of its proper divisors (96953).

111402607 is an equidigital number, since it uses as much as digits as its factorization.

111402607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96952.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 111402607 is about 10554.7433412660. The cubic root of 111402607 is about 481.1698994813.

Adding to 111402607 its reverse (706204111), we get a palindrome (817606718).

The spelling of 111402607 in words is "one hundred eleven million, four hundred two thousand, six hundred seven".