42129260 has 12 divisors (see below), whose sum is σ = 88471488. Its totient is φ = 16851696.

The previous prime is 42129259. The next prime is 42129287. The reversal of 42129260 is 6292124.

42129260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 1053212 + ... + 1053251.

It is an arithmetic number, because the mean of its divisors is an integer number (7372624).

Almost surely, 2^42129260 is an apocalyptic number.

It is an amenable number.

42129260 is an abundant number, since it is smaller than the sum of its proper divisors (46342228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42129260 is a wasteful number, since it uses less digits than its factorization.

42129260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106472 (or 2106470 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 42129260 is about 6490.7056627150. The cubic root of 42129260 is about 347.9588954842.

It can be divided in two parts, 42129 and 260, that multiplied together give a triangular number (10953540 = T₄₆₈₀).

The spelling of 42129260 in words is "forty-two million, one hundred twenty-nine thousand, two hundred sixty".