1159261 has 4 divisors (see below), whose sum is σ = 1173312. Its totient is φ = 1145212.

The previous prime is 1159259. The next prime is 1159271. The reversal of 1159261 is 1629511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1159261 - 2¹ = 1159259 is a prime.

It is a super-2 number, since 2×1159261² = 2687772132242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159201) 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, 6901 + ... + 7066.

It is an arithmetic number, because the mean of its divisors is an integer number (293328).

2^1159261 is an apocalyptic number.

It is an amenable number.

1159261 is a deficient number, since it is larger than the sum of its proper divisors (14051).

1159261 is an equidigital number, since it uses as much as digits as its factorization.

1159261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14050.

The product of its digits is 540, while the sum is 25.

The square root of 1159261 is about 1076.6898346321. The cubic root of 1159261 is about 105.0494400580.

The spelling of 1159261 in words is "one million, one hundred fifty-nine thousand, two hundred sixty-one".