103215201 has 16 divisors (see below), whose sum is σ = 145213440. Its totient is φ = 65031120.

The previous prime is 103215199. The next prime is 103215209. The reversal of 103215201 is 102512301.

It is not a de Polignac number, because 103215201 - 2¹ = 103215199 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103215209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24436 + ... + 28346.

It is an arithmetic number, because the mean of its divisors is an integer number (9075840).

Almost surely, 2^103215201 is an apocalyptic number.

It is an amenable number.

103215201 is a deficient number, since it is larger than the sum of its proper divisors (41998239).

103215201 is a wasteful number, since it uses less digits than its factorization.

103215201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 103215201 is about 10159.4882252995. The cubic root of 103215201 is about 469.0810488481.

Adding to 103215201 its reverse (102512301), we get a palindrome (205727502).

The spelling of 103215201 in words is "one hundred three million, two hundred fifteen thousand, two hundred one".