201042007 has 4 divisors (see below), whose sum is σ = 207974520. Its totient is φ = 194109496.

The previous prime is 201041999. The next prime is 201042013. The reversal of 201042007 is 700240102.

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

It is a cyclic number.

It is not a de Polignac number, because 201042007 - 2³ = 201041999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201042307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3466213 + ... + 3466270.

It is an arithmetic number, because the mean of its divisors is an integer number (51993630).

Almost surely, 2^201042007 is an apocalyptic number.

201042007 is a deficient number, since it is larger than the sum of its proper divisors (6932513).

201042007 is an equidigital number, since it uses as much as digits as its factorization.

201042007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6932512.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 201042007 is about 14178.9282740269. The cubic root of 201042007 is about 585.8174045829.

Adding to 201042007 its reverse (700240102), we get a palindrome (901282109).

The spelling of 201042007 in words is "two hundred one million, forty-two thousand, seven".