105406429 has 4 divisors (see below), whose sum is σ = 105577884. Its totient is φ = 105234976.

The previous prime is 105406423. The next prime is 105406487. The reversal of 105406429 is 924604501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 924604501 = 1327 ⋅696763.

It can be written as a sum of positive squares in 2 ways, for example, as 27931225 + 77475204 = 5285^2 + 8802^2 .

It is a cyclic number.

It is not a de Polignac number, because 105406429 - 2³ = 105406421 is a prime.

It is a super-2 number, since 2×105406429² = 22221030549064082, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105406429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105406421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84802 + ... + 86035.

It is an arithmetic number, because the mean of its divisors is an integer number (26394471).

Almost surely, 2^105406429 is an apocalyptic number.

It is an amenable number.

105406429 is a deficient number, since it is larger than the sum of its proper divisors (171455).

105406429 is an equidigital number, since it uses as much as digits as its factorization.

105406429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171454.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 105406429 is about 10266.7633166446. The cubic root of 105406429 is about 472.3773151797.

The spelling of 105406429 in words is "one hundred five million, four hundred six thousand, four hundred twenty-nine".