42329121 has 8 divisors (see below), whose sum is σ = 56765760. Its totient is φ = 28055952.

The previous prime is 42329117. The next prime is 42329129. The reversal of 42329121 is 12192324.

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

It is not a de Polignac number, because 42329121 - 2² = 42329117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42329091 and 42329100.

It is not an unprimeable number, because it can be changed into a prime (42329129) 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, 40261 + ... + 41298.

It is an arithmetic number, because the mean of its divisors is an integer number (7095720).

Almost surely, 2^42329121 is an apocalyptic number.

It is an amenable number.

42329121 is a deficient number, since it is larger than the sum of its proper divisors (14436639).

42329121 is a wasteful number, since it uses less digits than its factorization.

42329121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81735.

The product of its digits is 864, while the sum is 24.

The square root of 42329121 is about 6506.0833840337. The cubic root of 42329121 is about 348.5082660842.

The spelling of 42329121 in words is "forty-two million, three hundred twenty-nine thousand, one hundred twenty-one".