103851397 has 12 divisors (see below), whose sum is σ = 118041420. Its totient is φ = 90813312.

The previous prime is 103851389. The next prime is 103851403. The reversal of 103851397 is 793158301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61873956 + 41977441 = 7866^2 + 6479^2 .

It is not a de Polignac number, because 103851397 - 2³ = 103851389 is a prime.

It is a super-2 number, since 2×103851397² = 21570225317703218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103851337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6372 + ... + 15757.

It is an arithmetic number, because the mean of its divisors is an integer number (9836785).

Almost surely, 2^103851397 is an apocalyptic number.

It is an amenable number.

103851397 is a deficient number, since it is larger than the sum of its proper divisors (14190023).

103851397 is a wasteful number, since it uses less digits than its factorization.

103851397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22180 (or 22161 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 103851397 is about 10190.7505611707. The cubic root of 103851397 is about 470.0428465541.

The spelling of 103851397 in words is "one hundred three million, eight hundred fifty-one thousand, three hundred ninety-seven".