111240402 has 64 divisors (see below), whose sum is σ = 288261120. Its totient is φ = 27791424.

The previous prime is 111240391. The next prime is 111240413. The reversal of 111240402 is 204042111.

It is an interprime number because it is at equal distance from previous prime (111240391) and next prime (111240413).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5013 + ... + 15735.

It is an arithmetic number, because the mean of its divisors is an integer number (4504080).

Almost surely, 2^111240402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111240402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144130560).

111240402 is an abundant number, since it is smaller than the sum of its proper divisors (177020718).

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

111240402 is a wasteful number, since it uses less digits than its factorization.

111240402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10767.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 111240402 is about 10547.0565562151. The cubic root of 111240402 is about 480.9362542183.

Adding to 111240402 its reverse (204042111), we get a palindrome (315282513).

It can be divided in two parts, 1112 and 40402, that added together give a palindrome (41514).

The spelling of 111240402 in words is "one hundred eleven million, two hundred forty thousand, four hundred two".