103042057 has 2 divisors, whose sum is σ = 103042058. Its totient is φ = 103042056.

The previous prime is 103042031. The next prime is 103042063. The reversal of 103042057 is 750240301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94167616 + 8874441 = 9704^2 + 2979^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103042057 is a prime.

It is not a weakly prime, because it can be changed into another prime (103042007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51521028 + 51521029.

It is an arithmetic number, because the mean of its divisors is an integer number (51521029).

Almost surely, 2^103042057 is an apocalyptic number.

It is an amenable number.

103042057 is a deficient number, since it is larger than the sum of its proper divisors (1).

103042057 is an equidigital number, since it uses as much as digits as its factorization.

103042057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 103042057 is about 10150.9633532981. The cubic root of 103042057 is about 468.8186067996.

Adding to 103042057 its reverse (750240301), we get a palindrome (853282358).

The spelling of 103042057 in words is "one hundred three million, forty-two thousand, fifty-seven".