1151251 has 2 divisors, whose sum is σ = 1151252. Its totient is φ = 1151250.

The previous prime is 1151243. The next prime is 1151287. The reversal of 1151251 is 1521511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1151251 - 2³ = 1151243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1151221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575625 + 575626.

It is an arithmetic number, because the mean of its divisors is an integer number (575626).

2^1151251 is an apocalyptic number.

1151251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151251 is an equidigital number, since it uses as much as digits as its factorization.

1151251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50, while the sum is 16.

The square root of 1151251 is about 1072.9636526929. The cubic root of 1151251 is about 104.8069316842.

Adding to 1151251 its reverse (1521511), we get a palindrome (2672762).

The spelling of 1151251 in words is "one million, one hundred fifty-one thousand, two hundred fifty-one".