100426829 has 8 divisors (see below), whose sum is σ = 101545272. Its totient is φ = 99312640.

The previous prime is 100426819. The next prime is 100426831. The reversal of 100426829 is 928624001.

It can be written as a sum of positive squares in 4 ways, for example, as 6375625 + 94051204 = 2525^2 + 9698^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100426829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100426795 and 100426804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100426819) 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, 73109 + ... + 74469.

It is an arithmetic number, because the mean of its divisors is an integer number (12693159).

Almost surely, 2^100426829 is an apocalyptic number.

It is an amenable number.

100426829 is a deficient number, since it is larger than the sum of its proper divisors (1118443).

100426829 is a wasteful number, since it uses less digits than its factorization.

100426829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 100426829 is about 10021.3187255969. The cubic root of 100426829 is about 464.8183342469.

The spelling of 100426829 in words is "one hundred million, four hundred twenty-six thousand, eight hundred twenty-nine".