111420130 has 8 divisors (see below), whose sum is σ = 200556252. Its totient is φ = 44568048.

The previous prime is 111420109. The next prime is 111420137. The reversal of 111420130 is 31024111.

It can be written as a sum of positive squares in 2 ways, for example, as 103652761 + 7767369 = 10181^2 + 2787^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 111420130.

It is not an unprimeable number, because it can be changed into a prime (111420137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5570997 + ... + 5571016.

Almost surely, 2^111420130 is an apocalyptic number.

111420130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111420130 is a deficient number, since it is larger than the sum of its proper divisors (89136122).

111420130 is a wasteful number, since it uses less digits than its factorization.

111420130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11142020.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 111420130 is about 10555.5734093416. The cubic root of 111420130 is about 481.1951265933.

Adding to 111420130 its reverse (31024111), we get a palindrome (142444241).

The spelling of 111420130 in words is "one hundred eleven million, four hundred twenty thousand, one hundred thirty".