101030057 has 2 divisors, whose sum is σ = 101030058. Its totient is φ = 101030056.

The previous prime is 101030021. The next prime is 101030063. The reversal of 101030057 is 750030101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99580441 + 1449616 = 9979^2 + 1204^2 .

It is a cyclic number.

It is not a de Polignac number, because 101030057 - 2⁸ = 101029801 is a prime.

It is not a weakly prime, because it can be changed into another prime (101030077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50515028 + 50515029.

It is an arithmetic number, because the mean of its divisors is an integer number (50515029).

Almost surely, 2^101030057 is an apocalyptic number.

It is an amenable number.

101030057 is a deficient number, since it is larger than the sum of its proper divisors (1).

101030057 is an equidigital number, since it uses as much as digits as its factorization.

101030057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 101030057 is about 10051.3709015238. The cubic root of 101030057 is about 465.7471428107.

Adding to 101030057 its reverse (750030101), we get a palindrome (851060158).

The spelling of 101030057 in words is "one hundred one million, thirty thousand, fifty-seven".