15071242 has 16 divisors (see below), whose sum is σ = 23934240. Its totient is φ = 7105392.

The previous prime is 15071219. The next prime is 15071257. The reversal of 15071242 is 24217051.

It is a happy number.

15071242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528 + ... + 5515.

It is an arithmetic number, because the mean of its divisors is an integer number (1495890).

Almost surely, 2^15071242 is an apocalyptic number.

15071242 is a deficient number, since it is larger than the sum of its proper divisors (8862998).

15071242 is a wasteful number, since it uses less digits than its factorization.

15071242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6117.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 15071242 is about 3882.1697541452. The cubic root of 15071242 is about 247.0110306667.

Adding to 15071242 its reverse (24217051), we get a palindrome (39288293).

The spelling of 15071242 in words is "fifteen million, seventy-one thousand, two hundred forty-two".