42051206 has 4 divisors (see below), whose sum is σ = 63076812. Its totient is φ = 21025602.

The previous prime is 42051193. The next prime is 42051211. The reversal of 42051206 is 60215024.

It is a happy number.

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

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, 10512800 + ... + 10512803.

It is an arithmetic number, because the mean of its divisors is an integer number (15769203).

Almost surely, 2^42051206 is an apocalyptic number.

42051206 is a deficient number, since it is larger than the sum of its proper divisors (21025606).

42051206 is a wasteful number, since it uses less digits than its factorization.

42051206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21025605.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 42051206 is about 6484.6901236682. The cubic root of 42051206 is about 347.7438717374.

The spelling of 42051206 in words is "forty-two million, fifty-one thousand, two hundred six".