1201740263 has 2 divisors, whose sum is σ = 1201740264. Its totient is φ = 1201740262.

The previous prime is 1201740257. The next prime is 1201740277. The reversal of 1201740263 is 3620471021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201740263 - 2⁴ = 1201740247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201740233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600870131 + 600870132.

It is an arithmetic number, because the mean of its divisors is an integer number (600870132).

Almost surely, 2^1201740263 is an apocalyptic number.

1201740263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201740263 is an equidigital number, since it uses as much as digits as its factorization.

1201740263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1201740263 is about 34666.1255839184. The cubic root of 1201740263 is about 1063.1720170001.

The spelling of 1201740263 in words is "one billion, two hundred one million, seven hundred forty thousand, two hundred sixty-three".