15120002 has 8 divisors (see below), whose sum is σ = 23411712. Its totient is φ = 7316100.

The previous prime is 15119977. The next prime is 15120011. The reversal of 15120002 is 20002151.

15120002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×15120002² = 457228920960008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121874 + ... + 121997.

It is an arithmetic number, because the mean of its divisors is an integer number (2926464).

Almost surely, 2^15120002 is an apocalyptic number.

15120002 is a deficient number, since it is larger than the sum of its proper divisors (8291710).

15120002 is a wasteful number, since it uses less digits than its factorization.

15120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243904.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 15120002 is about 3888.4446762170. Note that the first 3 decimals coincide. The cubic root of 15120002 is about 247.2771288914.

Adding to 15120002 its reverse (20002151), we get a palindrome (35122153).

The spelling of 15120002 in words is "fifteen million, one hundred twenty thousand, two".