15120071 has 2 divisors, whose sum is σ = 15120072. Its totient is φ = 15120070.

The previous prime is 15120031. The next prime is 15120101. The reversal of 15120071 is 17002151.

It is a strong prime.

It is an emirp because it is prime and its reverse (17002151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15120071 - 2¹⁴ = 15103687 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15120011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7560035 + 7560036.

It is an arithmetic number, because the mean of its divisors is an integer number (7560036).

Almost surely, 2^15120071 is an apocalyptic number.

15120071 is a deficient number, since it is larger than the sum of its proper divisors (1).

15120071 is an equidigital number, since it uses as much as digits as its factorization.

15120071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 15120071 is about 3888.4535486489. The cubic root of 15120071 is about 247.2775050398.

The spelling of 15120071 in words is "fifteen million, one hundred twenty thousand, seventy-one".