42030129 has 8 divisors (see below), whose sum is σ = 56071872. Its totient is φ = 28004240.

The previous prime is 42030127. The next prime is 42030143. The reversal of 42030129 is 92103024.

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 42030129 - 2¹ = 42030127 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42030127) 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, 5359 + ... + 10619.

It is an arithmetic number, because the mean of its divisors is an integer number (7008984).

Almost surely, 2^42030129 is an apocalyptic number.

It is an amenable number.

42030129 is a deficient number, since it is larger than the sum of its proper divisors (14041743).

42030129 is a wasteful number, since it uses less digits than its factorization.

42030129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7927.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 42030129 is about 6483.0647844981. The cubic root of 42030129 is about 347.6857630394.

The spelling of 42030129 in words is "forty-two million, thirty thousand, one hundred twenty-nine".