103997257 has 32 divisors (see below), whose sum is σ = 132652800. Its totient is φ = 81002880.

The previous prime is 103997213. The next prime is 103997261. The reversal of 103997257 is 752799301.

It is not a de Polignac number, because 103997257 - 2⁷ = 103997129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103997207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 369957 + ... + 370237.

It is an arithmetic number, because the mean of its divisors is an integer number (4145400).

Almost surely, 2^103997257 is an apocalyptic number.

It is an amenable number.

103997257 is a deficient number, since it is larger than the sum of its proper divisors (28655543).

103997257 is an equidigital number, since it uses as much as digits as its factorization.

103997257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 43.

The square root of 103997257 is about 10197.9045396591. The cubic root of 103997257 is about 470.2628030776.

The spelling of 103997257 in words is "one hundred three million, nine hundred ninety-seven thousand, two hundred fifty-seven".