124665261989 has 8 divisors (see below), whose sum is σ = 126723336960. Its totient is φ = 122619188016.

The previous prime is 124665261983. The next prime is 124665262003. The reversal of 124665261989 is 989162566421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124665261989 is a prime.

It is a super-2 number, since 2×124665261989² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124665261983) 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 in 7 ways as a sum of consecutive naturals, for example, 2979302 + ... + 3020855.

It is an arithmetic number, because the mean of its divisors is an integer number (15840417120).

Almost surely, 2^124665261989 is an apocalyptic number.

It is an amenable number.

124665261989 is a deficient number, since it is larger than the sum of its proper divisors (2058074971).

124665261989 is an equidigital number, since it uses as much as digits as its factorization.

124665261989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000499.

The product of its digits is 11197440, while the sum is 59.

The spelling of 124665261989 in words is "one hundred twenty-four billion, six hundred sixty-five million, two hundred sixty-one thousand, nine hundred eighty-nine".