103811157 has 24 divisors (see below), whose sum is σ = 155470848. Its totient is φ = 66679200.

The previous prime is 103811137. The next prime is 103811189. The reversal of 103811157 is 751118301.

It is not a de Polignac number, because 103811157 - 2¹² = 103807061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103811157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103811107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74923 + ... + 76295.

It is an arithmetic number, because the mean of its divisors is an integer number (6477952).

Almost surely, 2^103811157 is an apocalyptic number.

It is an amenable number.

103811157 is a deficient number, since it is larger than the sum of its proper divisors (51659691).

103811157 is a wasteful number, since it uses less digits than its factorization.

103811157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681 (or 1678 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 27.

The square root of 103811157 is about 10188.7760305151. The cubic root of 103811157 is about 469.9821284890.

Adding to 103811157 its reverse (751118301), we get a palindrome (854929458).

The spelling of 103811157 in words is "one hundred three million, eight hundred eleven thousand, one hundred fifty-seven".