1125504151 has 2 divisors, whose sum is σ = 1125504152. Its totient is φ = 1125504150.

The previous prime is 1125504113. The next prime is 1125504157. The reversal of 1125504151 is 1514055211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1125504151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125504157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562752075 + 562752076.

It is an arithmetic number, because the mean of its divisors is an integer number (562752076).

Almost surely, 2^1125504151 is an apocalyptic number.

1125504151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125504151 is an equidigital number, since it uses as much as digits as its factorization.

1125504151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 1125504151 is about 33548.5342600836. The cubic root of 1125504151 is about 1040.1972477821.

Adding to 1125504151 its reverse (1514055211), we get a palindrome (2639559362).

The spelling of 1125504151 in words is "one billion, one hundred twenty-five million, five hundred four thousand, one hundred fifty-one".