1217049 has 4 divisors (see below), whose sum is σ = 1622736. Its totient is φ = 811364.

The previous prime is 1217033. The next prime is 1217053. The reversal of 1217049 is 9407121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9407121 = 3 ⋅3135707.

It is a cyclic number.

It is not a de Polignac number, because 1217049 - 2⁴ = 1217033 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1217009) 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, 202839 + ... + 202844.

It is an arithmetic number, because the mean of its divisors is an integer number (405684).

2^1217049 is an apocalyptic number.

It is an amenable number.

1217049 is a deficient number, since it is larger than the sum of its proper divisors (405687).

1217049 is an equidigital number, since it uses as much as digits as its factorization.

1217049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405686.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 1217049 is about 1103.1994379984. The cubic root of 1217049 is about 106.7667495981.

The spelling of 1217049 in words is "one million, two hundred seventeen thousand, forty-nine".