42125206 has 4 divisors (see below), whose sum is σ = 63187812. Its totient is φ = 21062602.

The previous prime is 42125191. The next prime is 42125221. The reversal of 42125206 is 60252124.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42125191) and next prime (42125221).

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10531300 + ... + 10531303.

It is an arithmetic number, because the mean of its divisors is an integer number (15796953).

Almost surely, 2^42125206 is an apocalyptic number.

42125206 is a deficient number, since it is larger than the sum of its proper divisors (21062606).

42125206 is a wasteful number, since it uses less digits than its factorization.

42125206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21062605.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 42125206 is about 6490.3933625012. The cubic root of 42125206 is about 347.9477340364.

The spelling of 42125206 in words is "forty-two million, one hundred twenty-five thousand, two hundred six".