1125507863 has 2 divisors, whose sum is σ = 1125507864. Its totient is φ = 1125507862.

The previous prime is 1125507839. The next prime is 1125507869. The reversal of 1125507863 is 3687055211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1125507863 - 2¹² = 1125503767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125507869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562753931 + 562753932.

It is an arithmetic number, because the mean of its divisors is an integer number (562753932).

Almost surely, 2^1125507863 is an apocalyptic number.

1125507863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125507863 is an equidigital number, since it uses as much as digits as its factorization.

1125507863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 1125507863 is about 33548.5895828722. The cubic root of 1125507863 is about 1040.1983913313.

The spelling of 1125507863 in words is "one billion, one hundred twenty-five million, five hundred seven thousand, eight hundred sixty-three".