103729157 has 4 divisors (see below), whose sum is σ = 118547616. Its totient is φ = 88910700.

The previous prime is 103729147. The next prime is 103729159. The reversal of 103729157 is 751927301.

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, and also an emirpimes, since its reverse is a distinct semiprime: 751927301 = 151 ⋅4979651.

It is a cyclic number.

It is not a de Polignac number, because 103729157 - 2¹⁰ = 103728133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103729159) 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 3 ways as a sum of consecutive naturals, for example, 7409219 + ... + 7409232.

It is an arithmetic number, because the mean of its divisors is an integer number (29636904).

Almost surely, 2^103729157 is an apocalyptic number.

It is an amenable number.

103729157 is a deficient number, since it is larger than the sum of its proper divisors (14818459).

103729157 is an equidigital number, since it uses as much as digits as its factorization.

103729157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14818458.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 103729157 is about 10184.7511997103. The cubic root of 103729157 is about 469.8583502515.

The spelling of 103729157 in words is "one hundred three million, seven hundred twenty-nine thousand, one hundred fifty-seven".