15120201 has 4 divisors (see below), whose sum is σ = 20160272. Its totient is φ = 10080132.

The previous prime is 15120187. The next prime is 15120227. The reversal of 15120201 is 10202151.

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: 10202151 = 3 ⋅3400717.

It is not a de Polignac number, because 15120201 - 2⁶ = 15120137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15120241) 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, 2520031 + ... + 2520036.

It is an arithmetic number, because the mean of its divisors is an integer number (5040068).

Almost surely, 2^15120201 is an apocalyptic number.

It is an amenable number.

15120201 is a deficient number, since it is larger than the sum of its proper divisors (5040071).

15120201 is an equidigital number, since it uses as much as digits as its factorization.

15120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040070.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 15120201 is about 3888.4702647699. The cubic root of 15120201 is about 247.2782137222.

Adding to 15120201 its reverse (10202151), we get a palindrome (25322352).

The spelling of 15120201 in words is "fifteen million, one hundred twenty thousand, two hundred one".