103697129 has 4 divisors (see below), whose sum is σ = 104946576. Its totient is φ = 102447684.

The previous prime is 103697119. The next prime is 103697137. The reversal of 103697129 is 921796301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103697129 - 2¹² = 103693033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103697092 and 103697101.

It is not an unprimeable number, because it can be changed into a prime (103697119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624599 + ... + 624764.

It is an arithmetic number, because the mean of its divisors is an integer number (26236644).

Almost surely, 2^103697129 is an apocalyptic number.

It is an amenable number.

103697129 is a deficient number, since it is larger than the sum of its proper divisors (1249447).

103697129 is an equidigital number, since it uses as much as digits as its factorization.

103697129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249446.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 103697129 is about 10183.1787276862. The cubic root of 103697129 is about 469.8099865681.

The spelling of 103697129 in words is "one hundred three million, six hundred ninety-seven thousand, one hundred twenty-nine".