101857051 has 2 divisors, whose sum is σ = 101857052. Its totient is φ = 101857050.

The previous prime is 101857039. The next prime is 101857057. The reversal of 101857051 is 150758101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101857051 is a prime.

It is not a weakly prime, because it can be changed into another prime (101857057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50928525 + 50928526.

It is an arithmetic number, because the mean of its divisors is an integer number (50928526).

Almost surely, 2^101857051 is an apocalyptic number.

101857051 is a deficient number, since it is larger than the sum of its proper divisors (1).

101857051 is an equidigital number, since it uses as much as digits as its factorization.

101857051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 28.

The square root of 101857051 is about 10092.4254270220. The cubic root of 101857051 is about 467.0145012745.

The spelling of 101857051 in words is "one hundred one million, eight hundred fifty-seven thousand, fifty-one".