111420356 has 6 divisors (see below), whose sum is σ = 194985630. Its totient is φ = 55710176.

The previous prime is 111420341. The next prime is 111420359. The reversal of 111420356 is 653024111.

It can be written as a sum of positive squares in only one way, i.e., 110670400 + 749956 = 10520^2 + 866^2 .

It is not an unprimeable number, because it can be changed into a prime (111420359) 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 as a sum of consecutive naturals, namely, 13927541 + ... + 13927548.

It is an arithmetic number, because the mean of its divisors is an integer number (32497605).

Almost surely, 2^111420356 is an apocalyptic number.

It is an amenable number.

111420356 is a deficient number, since it is larger than the sum of its proper divisors (83565274).

111420356 is a wasteful number, since it uses less digits than its factorization.

111420356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27855093 (or 27855091 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 111420356 is about 10555.5841145812. The cubic root of 111420356 is about 481.1954519385.

Adding to 111420356 its reverse (653024111), we get a palindrome (764444467).

The spelling of 111420356 in words is "one hundred eleven million, four hundred twenty thousand, three hundred fifty-six".