1125453101 has 2 divisors, whose sum is σ = 1125453102. Its totient is φ = 1125453100.

The previous prime is 1125453067. The next prime is 1125453107. The reversal of 1125453101 is 1013545211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 968827876 + 156625225 = 31126^2 + 12515^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125453101 - 2⁶ = 1125453037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125453107) 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, 562726550 + 562726551.

It is an arithmetic number, because the mean of its divisors is an integer number (562726551).

Almost surely, 2^1125453101 is an apocalyptic number.

It is an amenable number.

1125453101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125453101 is an equidigital number, since it uses as much as digits as its factorization.

1125453101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1125453101 is about 33547.7734134473. The cubic root of 1125453101 is about 1040.1815206456.

Adding to 1125453101 its reverse (1013545211), we get a palindrome (2138998312).

The spelling of 1125453101 in words is "one billion, one hundred twenty-five million, four hundred fifty-three thousand, one hundred one".