1125475147 has 2 divisors, whose sum is σ = 1125475148. Its totient is φ = 1125475146.

The previous prime is 1125475097. The next prime is 1125475171. The reversal of 1125475147 is 7415745211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1125475147 - 2¹⁵ = 1125442379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1125475177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562737573 + 562737574.

It is an arithmetic number, because the mean of its divisors is an integer number (562737574).

Almost surely, 2^1125475147 is an apocalyptic number.

1125475147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125475147 is an equidigital number, since it uses as much as digits as its factorization.

1125475147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39200, while the sum is 37.

The square root of 1125475147 is about 33548.1019880410. The cubic root of 1125475147 is about 1040.1883124856.

The spelling of 1125475147 in words is "one billion, one hundred twenty-five million, four hundred seventy-five thousand, one hundred forty-seven".