101224429 has 4 divisors (see below), whose sum is σ = 101252284. Its totient is φ = 101196576.

The previous prime is 101224423. The next prime is 101224433. The reversal of 101224429 is 924422101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17867529 + 83356900 = 4227^2 + 9130^2 .

It is a cyclic number.

It is not a de Polignac number, because 101224429 - 2³ = 101224421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101224421) 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, 7482 + ... + 16075.

It is an arithmetic number, because the mean of its divisors is an integer number (25313071).

Almost surely, 2^101224429 is an apocalyptic number.

It is an amenable number.

101224429 is a deficient number, since it is larger than the sum of its proper divisors (27855).

101224429 is an equidigital number, since it uses as much as digits as its factorization.

101224429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27854.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 101224429 is about 10061.0351853077. The cubic root of 101224429 is about 466.0456355315.

The spelling of 101224429 in words is "one hundred one million, two hundred twenty-four thousand, four hundred twenty-nine".