429122143 has 4 divisors (see below), whose sum is σ = 454364640. Its totient is φ = 403879648.

The previous prime is 429122137. The next prime is 429122147. The reversal of 429122143 is 341221924.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-429122143 is a prime.

It is a super-2 number, since 2×429122143² = 368291627225824898, 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 (429122147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12621223 + ... + 12621256.

It is an arithmetic number, because the mean of its divisors is an integer number (113591160).

Almost surely, 2^429122143 is an apocalyptic number.

429122143 is a deficient number, since it is larger than the sum of its proper divisors (25242497).

429122143 is a wasteful number, since it uses less digits than its factorization.

429122143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25242496.

The product of its digits is 3456, while the sum is 28.

The square root of 429122143 is about 20715.2635271676. The cubic root of 429122143 is about 754.2702438058.

The spelling of 429122143 in words is "four hundred twenty-nine million, one hundred twenty-two thousand, one hundred forty-three".