124645273 has 2 divisors, whose sum is σ = 124645274. Its totient is φ = 124645272.

The previous prime is 124645247. The next prime is 124645307. The reversal of 124645273 is 372546421.

It is an a-pointer prime, because the next prime (124645307) can be obtained adding 124645273 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122478489 + 2166784 = 11067^2 + 1472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124645273 is a prime.

It is not a weakly prime, because it can be changed into another prime (124645223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62322636 + 62322637.

It is an arithmetic number, because the mean of its divisors is an integer number (62322637).

Almost surely, 2^124645273 is an apocalyptic number.

It is an amenable number.

124645273 is a deficient number, since it is larger than the sum of its proper divisors (1).

124645273 is an equidigital number, since it uses as much as digits as its factorization.

124645273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 34.

The square root of 124645273 is about 11164.4647431035. The cubic root of 124645273 is about 499.5265825600.

The spelling of 124645273 in words is "one hundred twenty-four million, six hundred forty-five thousand, two hundred seventy-three".