15134121 has 10 divisors (see below), whose sum is σ = 22607882. Its totient is φ = 10089360.

The previous prime is 15134117. The next prime is 15134123. The reversal of 15134121 is 12143151.

It can be written as a sum of positive squares in only one way, i.e., 8037225 + 7096896 = 2835^2 + 2664^2 .

It is not a de Polignac number, because 15134121 - 2² = 15134117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 15134094 and 15134103.

It is not an unprimeable number, because it can be changed into a prime (15134123) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 93340 + ... + 93501.

Almost surely, 2^15134121 is an apocalyptic number.

It is an amenable number.

15134121 is a deficient number, since it is larger than the sum of its proper divisors (7473761).

15134121 is an equidigital number, since it uses as much as digits as its factorization.

15134121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186853 (or 186844 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 15134121 is about 3890.2597599646. The cubic root of 15134121 is about 247.3540737583.

Adding to 15134121 its reverse (12143151), we get a palindrome (27277272).

The spelling of 15134121 in words is "fifteen million, one hundred thirty-four thousand, one hundred twenty-one".