124789069 has 2 divisors, whose sum is σ = 124789070. Its totient is φ = 124789068.

The previous prime is 124789039. The next prime is 124789073. The reversal of 124789069 is 960987421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75255625 + 49533444 = 8675^2 + 7038^2 .

It is a cyclic number.

It is not a de Polignac number, because 124789069 - 2⁵ = 124789037 is a prime.

It is a super-2 number, since 2×124789069² = 31144623483773522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124789039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62394534 + 62394535.

It is an arithmetic number, because the mean of its divisors is an integer number (62394535).

Almost surely, 2^124789069 is an apocalyptic number.

It is an amenable number.

124789069 is a deficient number, since it is larger than the sum of its proper divisors (1).

124789069 is an equidigital number, since it uses as much as digits as its factorization.

124789069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 124789069 is about 11170.9027835713. The cubic root of 124789069 is about 499.7186003248.

The spelling of 124789069 in words is "one hundred twenty-four million, seven hundred eighty-nine thousand, sixty-nine".