1229117 has 6 divisors (see below), whose sum is σ = 1305978. Its totient is φ = 1156544.

The previous prime is 1229113. The next prime is 1229131. The reversal of 1229117 is 7119221.

It can be written as a sum of positive squares in 3 ways, for example, as 241081 + 988036 = 491^2 + 994^2 .

It is not a de Polignac number, because 1229117 - 2² = 1229113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1229092 and 1229101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1838 + ... + 2415.

It is an arithmetic number, because the mean of its divisors is an integer number (217663).

2^1229117 is an apocalyptic number.

1229117 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1229117 is a deficient number, since it is larger than the sum of its proper divisors (76861).

1229117 is an equidigital number, since it uses as much as digits as its factorization.

1229117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4287 (or 4270 counting only the distinct ones).

The product of its digits is 252, while the sum is 23.

The square root of 1229117 is about 1108.6554920263. The cubic root of 1229117 is about 107.1184817353.

The spelling of 1229117 in words is "one million, two hundred twenty-nine thousand, one hundred seventeen".