101240429 has 4 divisors (see below), whose sum is σ = 102136476. Its totient is φ = 100344384.

The previous prime is 101240413. The next prime is 101240443. The reversal of 101240429 is 924042101.

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 12974404 + 88266025 = 3602^2 + 9395^2 .

It is a cyclic number.

It is not a de Polignac number, because 101240429 - 2⁴ = 101240413 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 (101240449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447854 + ... + 448079.

It is an arithmetic number, because the mean of its divisors is an integer number (25534119).

Almost surely, 2^101240429 is an apocalyptic number.

It is an amenable number.

101240429 is a deficient number, since it is larger than the sum of its proper divisors (896047).

101240429 is an equidigital number, since it uses as much as digits as its factorization.

101240429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896046.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 101240429 is about 10061.8303006958. The cubic root of 101240429 is about 466.0701893452.

The spelling of 101240429 in words is "one hundred one million, two hundred forty thousand, four hundred twenty-nine".