1177231 has 4 divisors (see below), whose sum is σ = 1284264. Its totient is φ = 1070200.

The previous prime is 1177223. The next prime is 1177237. The reversal of 1177231 is 1327711.

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 1177231 - 2³ = 1177223 is a prime.

It is a super-2 number, since 2×1177231² = 2771745654722, which contains 22 as substring.

It is a Duffinian number.

1177231 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1177237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53500 + ... + 53521.

It is an arithmetic number, because the mean of its divisors is an integer number (321066).

2^1177231 is an apocalyptic number.

1177231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1177231 is a deficient number, since it is larger than the sum of its proper divisors (107033).

1177231 is a wasteful number, since it uses less digits than its factorization.

1177231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107032.

The product of its digits is 294, while the sum is 22.

The square root of 1177231 is about 1085.0027649734. The cubic root of 1177231 is about 105.5894586489.

The spelling of 1177231 in words is "one million, one hundred seventy-seven thousand, two hundred thirty-one".