124554100554145 has 8 divisors (see below), whose sum is σ = 149465026351656. Its totient is φ = 99643209985536.

The previous prime is 124554100554139. The next prime is 124554100554179. The reversal of 124554100554145 is 541455001455421.

It can be written as a sum of positive squares in 4 ways, for example, as 9977992169616 + 114576108384529 = 3158796^2 + 10704023^2 .

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 124554100554145 - 2³ = 124554100554137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124554100554095 and 124554100554104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278082 + ... + 15785611.

It is an arithmetic number, because the mean of its divisors is an integer number (18683128293957).

Almost surely, 2^{124554100554145} is an apocalyptic number.

It is an amenable number.

124554100554145 is a deficient number, since it is larger than the sum of its proper divisors (24910925797511).

124554100554145 is a wasteful number, since it uses less digits than its factorization.

124554100554145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17614451.

The product of its (nonzero) digits is 1600000, while the sum is 46.

The spelling of 124554100554145 in words is "one hundred twenty-four trillion, five hundred fifty-four billion, one hundred million, five hundred fifty-four thousand, one hundred forty-five".