1108429 has 6 divisors (see below), whose sum is σ = 1289454. Its totient is φ = 950040.

The previous prime is 1108427. The next prime is 1108447. The reversal of 1108429 is 9248011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1102500 + 5929 = 1050^2 + 77^2 .

It is not a de Polignac number, because 1108429 - 2¹ = 1108427 is a prime.

It is a super-2 number, since 2×1108429² = 2457229696082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108423) 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 5 ways as a sum of consecutive naturals, for example, 11262 + ... + 11359.

It is an arithmetic number, because the mean of its divisors is an integer number (214909).

2^1108429 is an apocalyptic number.

It is an amenable number.

1108429 is a deficient number, since it is larger than the sum of its proper divisors (181025).

1108429 is an equidigital number, since it uses as much as digits as its factorization.

1108429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22635 (or 22628 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1108429 is about 1052.8195476909. The cubic root of 1108429 is about 103.4910102891.

It can be divided in two parts, 110842 and 9, that multiplied together give a triangular number (997578 = T₁₄₁₂).

The spelling of 1108429 in words is "one million, one hundred eight thousand, four hundred twenty-nine".