1117949 has 4 divisors (see below), whose sum is σ = 1277664. Its totient is φ = 958236.

The previous prime is 1117943. The next prime is 1117967. The reversal of 1117949 is 9497111.

It is a happy number.

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 1117949 - 2⁴ = 1117933 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 (1117943) 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, 79847 + ... + 79860.

It is an arithmetic number, because the mean of its divisors is an integer number (319416).

2^1117949 is an apocalyptic number.

It is an amenable number.

1117949 is a deficient number, since it is larger than the sum of its proper divisors (159715).

1117949 is an equidigital number, since it uses as much as digits as its factorization.

1117949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159714.

The product of its digits is 2268, while the sum is 32.

The square root of 1117949 is about 1057.3310739783. The cubic root of 1117949 is about 103.7864516034.

The spelling of 1117949 in words is "one million, one hundred seventeen thousand, nine hundred forty-nine".