103005857 has 8 divisors (see below), whose sum is σ = 103744896. Its totient is φ = 102269952.

The previous prime is 103005853. The next prime is 103005869. The reversal of 103005857 is 758500301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103005857 - 2² = 103005853 is a prime.

It is a super-2 number, since 2×103005857² = 21220413152608898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103005853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124748 + ... + 125570.

It is an arithmetic number, because the mean of its divisors is an integer number (12968112).

Almost surely, 2^103005857 is an apocalyptic number.

It is an amenable number.

103005857 is a deficient number, since it is larger than the sum of its proper divisors (739039).

103005857 is an equidigital number, since it uses as much as digits as its factorization.

103005857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 103005857 is about 10149.1801146694. The cubic root of 103005857 is about 468.7636997003.

The spelling of 103005857 in words is "one hundred three million, five thousand, eight hundred fifty-seven".