1217057 has 2 divisors, whose sum is σ = 1217058. Its totient is φ = 1217056.

The previous prime is 1217053. The next prime is 1217063. The reversal of 1217057 is 7507121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 776161 + 440896 = 881^2 + 664^2 .

It is a cyclic number.

It is not a de Polignac number, because 1217057 - 2² = 1217053 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1217053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 608528 + 608529.

It is an arithmetic number, because the mean of its divisors is an integer number (608529).

2^1217057 is an apocalyptic number.

It is an amenable number.

1217057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1217057 is an equidigital number, since it uses as much as digits as its factorization.

1217057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 1217057 is about 1103.2030638101. The cubic root of 1217057 is about 106.7669835333.

Subtracting 1217057 from its reverse (7507121), we obtain a square (6290064 = 2508²).

The spelling of 1217057 in words is "one million, two hundred seventeen thousand, fifty-seven".