1170261 has 16 divisors (see below), whose sum is σ = 1756800. Its totient is φ = 769824.

The previous prime is 1170251. The next prime is 1170271. The reversal of 1170261 is 1620711.

It is an interprime number because it is at equal distance from previous prime (1170251) and next prime (1170271).

It is not a de Polignac number, because 1170261 - 2⁷ = 1170133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1170251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2160 + ... + 2646.

It is an arithmetic number, because the mean of its divisors is an integer number (109800).

2^1170261 is an apocalyptic number.

It is an amenable number.

1170261 is a deficient number, since it is larger than the sum of its proper divisors (586539).

1170261 is an equidigital number, since it uses as much as digits as its factorization.

1170261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 1170261 is about 1081.7860232042. The cubic root of 1170261 is about 105.3806591355.

Adding to 1170261 its reverse (1620711), we get a palindrome (2790972).

It can be divided in two parts, 1170 and 261, that added together give a triangular number (1431 = T₅₃).

The spelling of 1170261 in words is "one million, one hundred seventy thousand, two hundred sixty-one".