1461151 has 2 divisors, whose sum is σ = 1461152. Its totient is φ = 1461150.

The previous prime is 1461139. The next prime is 1461169. The reversal of 1461151 is 1511641.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1461151 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1461101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730575 + 730576.

It is an arithmetic number, because the mean of its divisors is an integer number (730576).

2^1461151 is an apocalyptic number.

1461151 is the 765-th centered pentagonal number.

1461151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461151 is an equidigital number, since it uses as much as digits as its factorization.

1461151 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 1461151 is about 1208.7807907143. The cubic root of 1461151 is about 113.4745231878.

Adding to 1461151 its reverse (1511641), we get a palindrome (2972792).

The spelling of 1461151 in words is "one million, four hundred sixty-one thousand, one hundred fifty-one".