1451161 has 2 divisors, whose sum is σ = 1451162. Its totient is φ = 1451160.

The previous prime is 1451147. The next prime is 1451179. The reversal of 1451161 is 1611541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1243225 + 207936 = 1115^2 + 456^2 .

It is a cyclic number.

It is not a de Polignac number, because 1451161 - 2¹¹ = 1449113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1451561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725580 + 725581.

It is an arithmetic number, because the mean of its divisors is an integer number (725581).

2^1451161 is an apocalyptic number.

1451161 is the 696-th hex number.

It is an amenable number.

1451161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451161 is an equidigital number, since it uses as much as digits as its factorization.

1451161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120, while the sum is 19.

The square root of 1451161 is about 1204.6414404295. The cubic root of 1451161 is about 113.2153202554.

The spelling of 1451161 in words is "one million, four hundred fifty-one thousand, one hundred sixty-one".