42922129 has 8 divisors (see below), whose sum is σ = 43472000. Its totient is φ = 42375312.

The previous prime is 42922097. The next prime is 42922133. The reversal of 42922129 is 92122924.

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

It is a cyclic number.

It is not a de Polignac number, because 42922129 - 2⁵ = 42922097 is a prime.

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 42922129.

It is not an unprimeable number, because it can be changed into a prime (42922169) 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, 40792 + ... + 41830.

It is an arithmetic number, because the mean of its divisors is an integer number (5434000).

Almost surely, 2^42922129 is an apocalyptic number.

It is an amenable number.

42922129 is a deficient number, since it is larger than the sum of its proper divisors (549871).

42922129 is a wasteful number, since it uses less digits than its factorization.

42922129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527.

The product of its digits is 5184, while the sum is 31.

The square root of 42922129 is about 6551.4982255970. The cubic root of 42922129 is about 350.1281952168.

The spelling of 42922129 in words is "forty-two million, nine hundred twenty-two thousand, one hundred twenty-nine".