1125245047 has 2 divisors, whose sum is σ = 1125245048. Its totient is φ = 1125245046.

The previous prime is 1125245003. The next prime is 1125245053. The reversal of 1125245047 is 7405425211.

It is a strong prime.

It is an emirp because it is prime and its reverse (7405425211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1125245047 - 2⁷ = 1125244919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125245057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562622523 + 562622524.

It is an arithmetic number, because the mean of its divisors is an integer number (562622524).

Almost surely, 2^1125245047 is an apocalyptic number.

1125245047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125245047 is an equidigital number, since it uses as much as digits as its factorization.

1125245047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 1125245047 is about 33544.6724085957. The cubic root of 1125245047 is about 1040.1174198661.

The spelling of 1125245047 in words is "one billion, one hundred twenty-five million, two hundred forty-five thousand, forty-seven".