1172401 has 2 divisors, whose sum is σ = 1172402. Its totient is φ = 1172400.

The previous prime is 1172393. The next prime is 1172407. The reversal of 1172401 is 1042711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 608400 + 564001 = 780^2 + 751^2 .

It is a cyclic number.

It is not a de Polignac number, because 1172401 - 2³ = 1172393 is a prime.

1172401 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1172407) 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, 586200 + 586201.

It is an arithmetic number, because the mean of its divisors is an integer number (586201).

2^1172401 is an apocalyptic number.

It is an amenable number.

1172401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1172401 is an equidigital number, since it uses as much as digits as its factorization.

1172401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 1172401 is about 1082.7746764678. The cubic root of 1172401 is about 105.4448548684. Note that the first 3 decimals are identical.

The spelling of 1172401 in words is "one million, one hundred seventy-two thousand, four hundred one".