1125814057 has 2 divisors, whose sum is σ = 1125814058. Its totient is φ = 1125814056.

The previous prime is 1125814037. The next prime is 1125814061. The reversal of 1125814057 is 7504185211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1035488041 + 90326016 = 32179^2 + 9504^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125814057 - 2⁷ = 1125813929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1125814037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562907028 + 562907029.

It is an arithmetic number, because the mean of its divisors is an integer number (562907029).

Almost surely, 2^1125814057 is an apocalyptic number.

It is an amenable number.

1125814057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125814057 is an equidigital number, since it uses as much as digits as its factorization.

1125814057 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 34.

The square root of 1125814057 is about 33553.1527132697. The cubic root of 1125814057 is about 1040.2927113084.

Adding to 1125814057 its reverse (7504185211), we get a palindrome (8629999268).

The spelling of 1125814057 in words is "one billion, one hundred twenty-five million, eight hundred fourteen thousand, fifty-seven".