42130990 has 24 divisors (see below), whose sum is σ = 83359080. Its totient is φ = 15319920.

The previous prime is 42130951. The next prime is 42130993. The reversal of 42130990 is 9903124.

It is a happy number.

42130990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42130993) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 16200 + ... + 18619.

It is an arithmetic number, because the mean of its divisors is an integer number (3473295).

Almost surely, 2^42130990 is an apocalyptic number.

42130990 is a deficient number, since it is larger than the sum of its proper divisors (41228090).

42130990 is a wasteful number, since it uses less digits than its factorization.

42130990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34848 (or 34837 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 42130990 is about 6490.8389288288. The cubic root of 42130990 is about 347.9636582915.

The spelling of 42130990 in words is "forty-two million, one hundred thirty thousand, nine hundred ninety".