111134420 has 24 divisors (see below), whose sum is σ = 245666400. Its totient is φ = 42113952.

The previous prime is 111134407. The next prime is 111134431. The reversal of 111134420 is 24431111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145850 + ... + 146609.

It is an arithmetic number, because the mean of its divisors is an integer number (10236100).

Almost surely, 2^111134420 is an apocalyptic number.

111134420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111134420 is an abundant number, since it is smaller than the sum of its proper divisors (134531980).

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

111134420 is a wasteful number, since it uses less digits than its factorization.

111134420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292487 (or 292485 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 111134420 is about 10542.0311135948. The cubic root of 111134420 is about 480.7834716537.

Adding to 111134420 its reverse (24431111), we get a palindrome (135565531).

The spelling of 111134420 in words is "one hundred eleven million, one hundred thirty-four thousand, four hundred twenty".