201245667 has 8 divisors (see below), whose sum is σ = 306660096. Its totient is φ = 114997512.

The previous prime is 201245657. The next prime is 201245669. The reversal of 201245667 is 766542102.

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

It is not a de Polignac number, because 201245667 - 2⁴ = 201245651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201245669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4791543 + ... + 4791584.

It is an arithmetic number, because the mean of its divisors is an integer number (38332512).

Almost surely, 2^201245667 is an apocalyptic number.

201245667 is a deficient number, since it is larger than the sum of its proper divisors (105414429).

201245667 is an equidigital number, since it uses as much as digits as its factorization.

201245667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9583137.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 201245667 is about 14186.1082401059. The cubic root of 201245667 is about 586.0151531529.

Adding to 201245667 its reverse (766542102), we get a palindrome (967787769).

The spelling of 201245667 in words is "two hundred one million, two hundred forty-five thousand, six hundred sixty-seven".