1174721 has 2 divisors, whose sum is σ = 1174722. Its totient is φ = 1174720.

The previous prime is 1174709. The next prime is 1174727. The reversal of 1174721 is 1274711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 790321 + 384400 = 889^2 + 620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1174721 is a prime.

It is not a weakly prime, because it can be changed into another prime (1174727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 587360 + 587361.

It is an arithmetic number, because the mean of its divisors is an integer number (587361).

2^1174721 is an apocalyptic number.

It is an amenable number.

1174721 is a deficient number, since it is larger than the sum of its proper divisors (1).

1174721 is an equidigital number, since it uses as much as digits as its factorization.

1174721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 392, while the sum is 23.

The square root of 1174721 is about 1083.8454686901. The cubic root of 1174721 is about 105.5143620528.

The spelling of 1174721 in words is "one million, one hundred seventy-four thousand, seven hundred twenty-one".