124551534949 has 16 divisors (see below), whose sum is σ = 127879819200. Its totient is φ = 121278981376.

The previous prime is 124551534893. The next prime is 124551534979. The reversal of 124551534949 is 949435155421.

It is a cyclic number.

It is not a de Polignac number, because 124551534949 - 2¹⁵ = 124551502181 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124551534896 and 124551534905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124551534979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1641747 + ... + 1715935.

It is an arithmetic number, because the mean of its divisors is an integer number (7992488700).

Almost surely, 2^124551534949 is an apocalyptic number.

It is an amenable number.

124551534949 is a deficient number, since it is larger than the sum of its proper divisors (3328284251).

124551534949 is a wasteful number, since it uses less digits than its factorization.

124551534949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74564.

The product of its digits is 3888000, while the sum is 52.

The spelling of 124551534949 in words is "one hundred twenty-four billion, five hundred fifty-one million, five hundred thirty-four thousand, nine hundred forty-nine".