124201969 has 2 divisors, whose sum is σ = 124201970. Its totient is φ = 124201968.

The previous prime is 124201967. The next prime is 124202003. The reversal of 124201969 is 969102421.

It is an a-pointer prime, because the next prime (124202003) can be obtained adding 124201969 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., 119071744 + 5130225 = 10912^2 + 2265^2 .

It is a cyclic number.

It is not a de Polignac number, because 124201969 - 2¹ = 124201967 is a prime.

It is a super-2 number, since 2×124201969² = 30852258206953922, which contains 22 as substring.

Together with 124201967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (124201963) 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, 62100984 + 62100985.

It is an arithmetic number, because the mean of its divisors is an integer number (62100985).

Almost surely, 2^124201969 is an apocalyptic number.

It is an amenable number.

124201969 is a deficient number, since it is larger than the sum of its proper divisors (1).

124201969 is an equidigital number, since it uses as much as digits as its factorization.

124201969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 124201969 is about 11144.5937117510. The cubic root of 124201969 is about 498.9336862331.

The spelling of 124201969 in words is "one hundred twenty-four million, two hundred one thousand, nine hundred sixty-nine".