1125618163 has 2 divisors, whose sum is σ = 1125618164. Its totient is φ = 1125618162.

The previous prime is 1125618101. The next prime is 1125618173. The reversal of 1125618163 is 3618165211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1125618163 - 2¹³ = 1125609971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1125618173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562809081 + 562809082.

It is an arithmetic number, because the mean of its divisors is an integer number (562809082).

Almost surely, 2^1125618163 is an apocalyptic number.

1125618163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125618163 is an equidigital number, since it uses as much as digits as its factorization.

1125618163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 34.

The square root of 1125618163 is about 33550.2334269078. The cubic root of 1125618163 is about 1040.2323701061.

The spelling of 1125618163 in words is "one billion, one hundred twenty-five million, six hundred eighteen thousand, one hundred sixty-three".