1201159 has 4 divisors (see below), whose sum is σ = 1203840. Its totient is φ = 1198480.

The previous prime is 1201153. The next prime is 1201163. The reversal of 1201159 is 9511021.

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 1201159 - 2¹³ = 1192967 is a prime.

It is a Duffinian number.

1201159 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201153) 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, 487 + ... + 1624.

It is an arithmetic number, because the mean of its divisors is an integer number (300960).

2^1201159 is an apocalyptic number.

1201159 is a deficient number, since it is larger than the sum of its proper divisors (2681).

1201159 is an equidigital number, since it uses as much as digits as its factorization.

1201159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 1201159 is about 1095.9739960419. The cubic root of 1201159 is about 106.3000576122.

The spelling of 1201159 in words is "one million, two hundred one thousand, one hundred fifty-nine".