15120601 has 2 divisors, whose sum is σ = 15120602. Its totient is φ = 15120600.

The previous prime is 15120587. The next prime is 15120607. The reversal of 15120601 is 10602151.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15015625 + 104976 = 3875^2 + 324^2 .

It is a cyclic number.

It is not a de Polignac number, because 15120601 - 2⁷ = 15120473 is a prime.

It is not a weakly prime, because it can be changed into another prime (15120607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7560300 + 7560301.

It is an arithmetic number, because the mean of its divisors is an integer number (7560301).

Almost surely, 2^15120601 is an apocalyptic number.

It is an amenable number.

15120601 is a deficient number, since it is larger than the sum of its proper divisors (1).

15120601 is an equidigital number, since it uses as much as digits as its factorization.

15120601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 15120601 is about 3888.5216985379. The cubic root of 15120601 is about 247.2803942579.

Adding to 15120601 its reverse (10602151), we get a palindrome (25722752).

The spelling of 15120601 in words is "fifteen million, one hundred twenty thousand, six hundred one".