111429690 has 16 divisors (see below), whose sum is σ = 267431328. Its totient is φ = 29714576.

The previous prime is 111429653. The next prime is 111429749. The reversal of 111429690 is 96924111.

It is a super-2 number, since 2×111429690² = 24833151626992200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1857132 + ... + 1857191.

It is an arithmetic number, because the mean of its divisors is an integer number (16714458).

Almost surely, 2^111429690 is an apocalyptic number.

111429690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111429690 is an abundant number, since it is smaller than the sum of its proper divisors (156001638).

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

111429690 is a wasteful number, since it uses less digits than its factorization.

111429690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714333.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 111429690 is about 10556.0262409678. The cubic root of 111429690 is about 481.2088886003.

The spelling of 111429690 in words is "one hundred eleven million, four hundred twenty-nine thousand, six hundred ninety".