15071201 has 4 divisors (see below), whose sum is σ = 15172500. Its totient is φ = 14969904.

The previous prime is 15071183. The next prime is 15071219. The reversal of 15071201 is 10217051.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (15071183) and next prime (15071219).

It can be written as a sum of positive squares in 2 ways, for example, as 9891025 + 5180176 = 3145^2 + 2276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15071201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 15071201.

It is not an unprimeable number, because it can be changed into a prime (15071261) 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, 50426 + ... + 50723.

It is an arithmetic number, because the mean of its divisors is an integer number (3793125).

Almost surely, 2^15071201 is an apocalyptic number.

It is an amenable number.

15071201 is a deficient number, since it is larger than the sum of its proper divisors (101299).

15071201 is a wasteful number, since it uses less digits than its factorization.

15071201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101298.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 15071201 is about 3882.1644735894. The cubic root of 15071201 is about 247.0108066759.

Adding to 15071201 its reverse (10217051), we get a palindrome (25288252).

The spelling of 15071201 in words is "fifteen million, seventy-one thousand, two hundred one".