201270739 has 2 divisors, whose sum is σ = 201270740. Its totient is φ = 201270738.

The previous prime is 201270737. The next prime is 201270761. The reversal of 201270739 is 937072102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201270739 - 2¹ = 201270737 is a prime.

It is a super-2 number, since 2×201270739² = 81019820755212242, which contains 22 as substring.

Together with 201270737, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 201270739.

It is not a weakly prime, because it can be changed into another prime (201270731) 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 as a sum of consecutive naturals, namely, 100635369 + 100635370.

It is an arithmetic number, because the mean of its divisors is an integer number (100635370).

Almost surely, 2^201270739 is an apocalyptic number.

201270739 is a deficient number, since it is larger than the sum of its proper divisors (1).

201270739 is an equidigital number, since it uses as much as digits as its factorization.

201270739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 201270739 is about 14186.9918939851. The cubic root of 201270739 is about 586.0394881892.

The spelling of 201270739 in words is "two hundred one million, two hundred seventy thousand, seven hundred thirty-nine".