42129010 has 32 divisors (see below), whose sum is σ = 94545792. Its totient is φ = 13130880.

The previous prime is 42129001. The next prime is 42129037. The reversal of 42129010 is 1092124.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26587 + ... + 28126.

It is an arithmetic number, because the mean of its divisors is an integer number (2954556).

Almost surely, 2^42129010 is an apocalyptic number.

42129010 is an abundant number, since it is smaller than the sum of its proper divisors (52416782).

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

42129010 is a wasteful number, since it uses less digits than its factorization.

42129010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54738.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 42129010 is about 6490.6864043797. The cubic root of 42129010 is about 347.9582072064.

The spelling of 42129010 in words is "forty-two million, one hundred twenty-nine thousand, ten".