1121707 has 2 divisors, whose sum is σ = 1121708. Its totient is φ = 1121706.

The previous prime is 1121699. The next prime is 1121723. The reversal of 1121707 is 7071211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121707 - 2³ = 1121699 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1121737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560853 + 560854.

It is an arithmetic number, because the mean of its divisors is an integer number (560854).

2^1121707 is an apocalyptic number.

1121707 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121707 is an equidigital number, since it uses as much as digits as its factorization.

1121707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98, while the sum is 19.

The square root of 1121707 is about 1059.1066990629. The cubic root of 1121707 is about 103.9026147050.

Adding to 1121707 its reverse (7071211), we get a palindrome (8192918).

The spelling of 1121707 in words is "one million, one hundred twenty-one thousand, seven hundred seven".