1230001057 has 2 divisors, whose sum is σ = 1230001058. Its totient is φ = 1230001056.

The previous prime is 1230001039. The next prime is 1230001067. The reversal of 1230001057 is 7501000321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1229484096 + 516961 = 35064^2 + 719^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230001057 - 2²³ = 1221612449 is a prime.

It is a super-2 number, since 2×1230001057² = 3025805200442234498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1230001067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615000528 + 615000529.

It is an arithmetic number, because the mean of its divisors is an integer number (615000529).

Almost surely, 2^1230001057 is an apocalyptic number.

It is an amenable number.

1230001057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230001057 is an equidigital number, since it uses as much as digits as its factorization.

1230001057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 1230001057 is about 35071.3709027748. The cubic root of 1230001057 is about 1071.4415766049.

Adding to 1230001057 its reverse (7501000321), we get a palindrome (8731001378).

The spelling of 1230001057 in words is "one billion, two hundred thirty million, one thousand, fifty-seven".