103121071 has 8 divisors (see below), whose sum is σ = 107388000. Its totient is φ = 98901600.

The previous prime is 103121063. The next prime is 103121089. The reversal of 103121071 is 170121301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103121071 - 2³ = 103121063 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 (103121471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7396 + ... + 16153.

It is an arithmetic number, because the mean of its divisors is an integer number (13423500).

Almost surely, 2^103121071 is an apocalyptic number.

103121071 is a deficient number, since it is larger than the sum of its proper divisors (4266929).

103121071 is a wasteful number, since it uses less digits than its factorization.

103121071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23729.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 103121071 is about 10154.8545533651. The cubic root of 103121071 is about 468.9384082674.

Adding to 103121071 its reverse (170121301), we get a palindrome (273242372).

The spelling of 103121071 in words is "one hundred three million, one hundred twenty-one thousand, seventy-one".