124720853 has 2 divisors, whose sum is σ = 124720854. Its totient is φ = 124720852.

The previous prime is 124720763. The next prime is 124720859. The reversal of 124720853 is 358027421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99540529 + 25180324 = 9977^2 + 5018^2 .

It is a cyclic number.

It is not a de Polignac number, because 124720853 - 2¹⁸ = 124458709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124720859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62360426 + 62360427.

It is an arithmetic number, because the mean of its divisors is an integer number (62360427).

Almost surely, 2^124720853 is an apocalyptic number.

It is an amenable number.

124720853 is a deficient number, since it is larger than the sum of its proper divisors (1).

124720853 is an equidigital number, since it uses as much as digits as its factorization.

124720853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 124720853 is about 11167.8490767023. The cubic root of 124720853 is about 499.6275265960.

The spelling of 124720853 in words is "one hundred twenty-four million, seven hundred twenty thousand, eight hundred fifty-three".