1125557627 has 2 divisors, whose sum is σ = 1125557628. Its totient is φ = 1125557626.

The previous prime is 1125557623. The next prime is 1125557651. The reversal of 1125557627 is 7267555211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1125557627 - 2² = 1125557623 is a prime.

It is a super-2 number, since 2×1125557627² = 2533759943395742258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1125557621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562778813 + 562778814.

It is an arithmetic number, because the mean of its divisors is an integer number (562778814).

Almost surely, 2^1125557627 is an apocalyptic number.

1125557627 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125557627 is an equidigital number, since it uses as much as digits as its factorization.

1125557627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147000, while the sum is 41.

The square root of 1125557627 is about 33549.3312451977. The cubic root of 1125557627 is about 1040.2137217942.

The spelling of 1125557627 in words is "one billion, one hundred twenty-five million, five hundred fifty-seven thousand, six hundred twenty-seven".