1117261 has 4 divisors (see below), whose sum is σ = 1120000. Its totient is φ = 1114524.

The previous prime is 1117253. The next prime is 1117267. The reversal of 1117261 is 1627111.

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 1117261 - 2³ = 1117253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117267) 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, 621 + ... + 1618.

It is an arithmetic number, because the mean of its divisors is an integer number (280000).

2^1117261 is an apocalyptic number.

It is an amenable number.

1117261 is a deficient number, since it is larger than the sum of its proper divisors (2739).

1117261 is an equidigital number, since it uses as much as digits as its factorization.

1117261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2738.

The product of its digits is 84, while the sum is 19.

The square root of 1117261 is about 1057.0056764275. The cubic root of 1117261 is about 103.7651567347.

It can be divided in two parts, 1117 and 261, that added together give a triangular number (1378 = T₅₂).

The spelling of 1117261 in words is "one million, one hundred seventeen thousand, two hundred sixty-one".