1125500723 has 2 divisors, whose sum is σ = 1125500724. Its totient is φ = 1125500722.

The previous prime is 1125500689. The next prime is 1125500749. The reversal of 1125500723 is 3270055211.

It is an a-pointer prime, because the next prime (1125500749) can be obtained adding 1125500723 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1125500723 - 2⁶ = 1125500659 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1125500692 and 1125500701.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562750361 + 562750362.

It is an arithmetic number, because the mean of its divisors is an integer number (562750362).

Almost surely, 2^1125500723 is an apocalyptic number.

1125500723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125500723 is an equidigital number, since it uses as much as digits as its factorization.

1125500723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 1125500723 is about 33548.4831698841. The cubic root of 1125500723 is about 1040.1961917221.

Adding to 1125500723 its reverse (3270055211), we get a palindrome (4395555934).

The spelling of 1125500723 in words is "one billion, one hundred twenty-five million, five hundred thousand, seven hundred twenty-three".