124145521606651 has 2 divisors, whose sum is σ = 124145521606652. Its totient is φ = 124145521606650.

The previous prime is 124145521606637. The next prime is 124145521606681. The reversal of 124145521606651 is 156606125541421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124145521606651 - 2¹¹ = 124145521604603 is a prime.

It is a super-2 number, since 2×124145521606651² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124145521606595 and 124145521606604.

It is not a weakly prime, because it can be changed into another prime (124145521606681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62072760803325 + 62072760803326.

It is an arithmetic number, because the mean of its divisors is an integer number (62072760803326).

Almost surely, 2^{124145521606651} is an apocalyptic number.

124145521606651 is a deficient number, since it is larger than the sum of its proper divisors (1).

124145521606651 is an equidigital number, since it uses as much as digits as its factorization.

124145521606651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 124145521606651 in words is "one hundred twenty-four trillion, one hundred forty-five billion, five hundred twenty-one million, six hundred six thousand, six hundred fifty-one".