1201266959 has 2 divisors, whose sum is σ = 1201266960. Its totient is φ = 1201266958.

The previous prime is 1201266923. The next prime is 1201266991. The reversal of 1201266959 is 9596621021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201266959 - 2²⁴ = 1184489743 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201266259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600633479 + 600633480.

It is an arithmetic number, because the mean of its divisors is an integer number (600633480).

Almost surely, 2^1201266959 is an apocalyptic number.

1201266959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201266959 is an equidigital number, since it uses as much as digits as its factorization.

1201266959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 1201266959 is about 34659.2983050725. The cubic root of 1201266959 is about 1063.0324223195.

The spelling of 1201266959 in words is "one billion, two hundred one million, two hundred sixty-six thousand, nine hundred fifty-nine".