42292130 has 8 divisors (see below), whose sum is σ = 76125852. Its totient is φ = 16916848.

The previous prime is 42292127. The next prime is 42292181. The reversal of 42292130 is 3129224.

It can be written as a sum of positive squares in 2 ways, for example, as 39929761 + 2362369 = 6319^2 + 1537^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42292096 and 42292105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2114597 + ... + 2114616.

Almost surely, 2^42292130 is an apocalyptic number.

42292130 is a deficient number, since it is larger than the sum of its proper divisors (33833722).

42292130 is a wasteful number, since it uses less digits than its factorization.

42292130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4229220.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 42292130 is about 6503.2399617421. The cubic root of 42292130 is about 348.4067171891.

The spelling of 42292130 in words is "forty-two million, two hundred ninety-two thousand, one hundred thirty".