201092642 has 4 divisors (see below), whose sum is σ = 301638966. Its totient is φ = 100546320.

The previous prime is 201092627. The next prime is 201092651. The reversal of 201092642 is 246290102.

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

It can be written as a sum of positive squares in only one way, i.e., 152497801 + 48594841 = 12349^2 + 6971^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50273159 + ... + 50273162.

Almost surely, 2^201092642 is an apocalyptic number.

201092642 is a deficient number, since it is larger than the sum of its proper divisors (100546324).

201092642 is a wasteful number, since it uses less digits than its factorization.

201092642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100546323.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 201092642 is about 14180.7137338006. The cubic root of 201092642 is about 585.8665823223.

The spelling of 201092642 in words is "two hundred one million, ninety-two thousand, six hundred forty-two".