101839057 has 2 divisors, whose sum is σ = 101839058. Its totient is φ = 101839056.

The previous prime is 101839043. The next prime is 101839117. The reversal of 101839057 is 750938101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68707521 + 33131536 = 8289^2 + 5756^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101839057 is a prime.

It is equal to p_5861185 and since 101839057 and 5861185 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (101839357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50919528 + 50919529.

It is an arithmetic number, because the mean of its divisors is an integer number (50919529).

Almost surely, 2^101839057 is an apocalyptic number.

It is an amenable number.

101839057 is a deficient number, since it is larger than the sum of its proper divisors (1).

101839057 is an equidigital number, since it uses as much as digits as its factorization.

101839057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 101839057 is about 10091.5339270103. The cubic root of 101839057 is about 466.9869988295.

The spelling of 101839057 in words is "one hundred one million, eight hundred thirty-nine thousand, fifty-seven".