103121201 has 8 divisors (see below), whose sum is σ = 110155464. Its totient is φ = 96194560.

The previous prime is 103121197. The next prime is 103121209. The reversal of 103121201 is 102121301.

It can be written as a sum of positive squares in 4 ways, for example, as 2640625 + 100480576 = 1625^2 + 10024^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 103121201 - 2² = 103121197 is a prime.

It is a super-4 number, since 4×103121201⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103121209) 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, 24920 + ... + 28761.

It is an arithmetic number, because the mean of its divisors is an integer number (13769433).

Almost surely, 2^103121201 is an apocalyptic number.

It is an amenable number.

103121201 is a deficient number, since it is larger than the sum of its proper divisors (7034263).

103121201 is a wasteful number, since it uses less digits than its factorization.

103121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53811.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 103121201 is about 10154.8609542426. The cubic root of 103121201 is about 468.9386053237.

Adding to 103121201 its reverse (102121301), we get a palindrome (205242502).

The spelling of 103121201 in words is "one hundred three million, one hundred twenty-one thousand, two hundred one".