15120233 has 2 divisors, whose sum is σ = 15120234. Its totient is φ = 15120232.

The previous prime is 15120227. The next prime is 15120241. The reversal of 15120233 is 33202151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14500864 + 619369 = 3808^2 + 787^2 .

It is an emirp because it is prime and its reverse (33202151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15120233 - 2⁸ = 15119977 is a prime.

It is not a weakly prime, because it can be changed into another prime (15120283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7560116 + 7560117.

It is an arithmetic number, because the mean of its divisors is an integer number (7560117).

Almost surely, 2^15120233 is an apocalyptic number.

It is an amenable number.

15120233 is a deficient number, since it is larger than the sum of its proper divisors (1).

15120233 is an equidigital number, since it uses as much as digits as its factorization.

15120233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 15120233 is about 3888.4743794964. The cubic root of 15120233 is about 247.2783881665.

Adding to 15120233 its reverse (33202151), we get a palindrome (48322384).

The spelling of 15120233 in words is "fifteen million, one hundred twenty thousand, two hundred thirty-three".