111420134 has 16 divisors (see below), whose sum is σ = 191831328. Its totient is φ = 47545152.

The previous prime is 111420109. The next prime is 111420137. The reversal of 111420134 is 431024111.

It is a happy number.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13817 + ... + 20340.

It is an arithmetic number, because the mean of its divisors is an integer number (11989458).

Almost surely, 2^111420134 is an apocalyptic number.

111420134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

111420134 is a deficient number, since it is larger than the sum of its proper divisors (80411194).

111420134 is a wasteful number, since it uses less digits than its factorization.

111420134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34399.

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

The square root of 111420134 is about 10555.5735988150. The cubic root of 111420134 is about 481.1951323516.

Adding to 111420134 its reverse (431024111), we get a palindrome (542444245).

The spelling of 111420134 in words is "one hundred eleven million, four hundred twenty thousand, one hundred thirty-four".