1075147657 has 2 divisors, whose sum is σ = 1075147658. Its totient is φ = 1075147656.

The previous prime is 1075147651. The next prime is 1075147687. The reversal of 1075147657 is 7567415701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 983198736 + 91948921 = 31356^2 + 9589^2 .

It is a cyclic number.

It is not a de Polignac number, because 1075147657 - 2²⁷ = 940929929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1075147651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537573828 + 537573829.

It is an arithmetic number, because the mean of its divisors is an integer number (537573829).

Almost surely, 2^1075147657 is an apocalyptic number.

It is an amenable number.

1075147657 is a deficient number, since it is larger than the sum of its proper divisors (1).

1075147657 is an equidigital number, since it uses as much as digits as its factorization.

1075147657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 205800, while the sum is 43.

The square root of 1075147657 is about 32789.4442923329. Note that the first 3 decimals coincide. The cubic root of 1075147657 is about 1024.4467073762.

The spelling of 1075147657 in words is "one billion, seventy-five million, one hundred forty-seven thousand, six hundred fifty-seven".