15030121 has 8 divisors (see below), whose sum is σ = 15867200. Its totient is φ = 14197680.

The previous prime is 15030107. The next prime is 15030137. The reversal of 15030121 is 12103051.

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

It is a cyclic number.

It is not a de Polignac number, because 15030121 - 2⁵ = 15030089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15030151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7060 + ... + 8938.

It is an arithmetic number, because the mean of its divisors is an integer number (1983400).

Almost surely, 2^15030121 is an apocalyptic number.

It is an amenable number.

15030121 is a deficient number, since it is larger than the sum of its proper divisors (837079).

15030121 is a wasteful number, since it uses less digits than its factorization.

15030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 15030121 is about 3876.8700003998. The cubic root of 15030121 is about 246.7861743361.

Adding to 15030121 its reverse (12103051), we get a palindrome (27133172).

It can be divided in two parts, 15030 and 121, that added together give a palindrome (15151).

The spelling of 15030121 in words is "fifteen million, thirty thousand, one hundred twenty-one".