1117249 has 9 divisors (see below), whose sum is σ = 1308321. Its totient is φ = 951300.

The previous prime is 1117247. The next prime is 1117253. The reversal of 1117249 is 9427111.

The square root of 1117249 is 1057.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1117249 - 2¹ = 1117247 is a prime.

It is a super-3 number, since 3×1117249³ = 4183802533391367747, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1117243) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7324 + ... + 7474.

It is an arithmetic number, because the mean of its divisors is an integer number (145369).

2^1117249 is an apocalyptic number.

1117249 is the 1057-th square number.

1117249 is the 529-th centered octagonal number.

It is an amenable number.

1117249 is a deficient number, since it is larger than the sum of its proper divisors (191072).

1117249 is an frugal number, since it uses more digits than its factorization.

1117249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 158 counting only the distinct ones).

The product of its digits is 504, while the sum is 25.

The cubic root of 1117249 is about 103.7647852350.

Multiplying 1117249 by its sum of digits (25), we get a square (27931225 = 5285²).

The spelling of 1117249 in words is "one million, one hundred seventeen thousand, two hundred forty-nine".