124646140454641 has 8 divisors (see below), whose sum is σ = 134255896683944. Its totient is φ = 115039468736640.

The previous prime is 124646140454603. The next prime is 124646140454669. The reversal of 124646140454641 is 146454041646421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3406992406416 + 121239148048225 = 1845804^2 + 11010865^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 124646140454641 - 2¹⁷ = 124646140323569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124646140454741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771043890 + ... + 771205531.

It is an arithmetic number, because the mean of its divisors is an integer number (16781987085493).

Almost surely, 2^{124646140454641} is an apocalyptic number.

It is an amenable number.

124646140454641 is a deficient number, since it is larger than the sum of its proper divisors (9609756229303).

124646140454641 is a wasteful number, since it uses less digits than its factorization.

124646140454641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542255651.

The product of its (nonzero) digits is 8847360, while the sum is 52.

The spelling of 124646140454641 in words is "one hundred twenty-four trillion, six hundred forty-six billion, one hundred forty million, four hundred fifty-four thousand, six hundred forty-one".