124548845421 has 128 divisors (see below), whose sum is σ = 232084242432. Its totient is φ = 57791923200.

The previous prime is 124548845419. The next prime is 124548845423.

124548845421 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (124548845419) and next prime (124548845423).

It is not a de Polignac number, because 124548845421 - 2¹ = 124548845419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124548845423) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11258725 + ... + 11269781.

It is an arithmetic number, because the mean of its divisors is an integer number (1813158144).

Almost surely, 2^124548845421 is an apocalyptic number.

124548845421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124548845421 is a deficient number, since it is larger than the sum of its proper divisors (107535397011).

124548845421 is a wasteful number, since it uses less digits than its factorization.

124548845421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11144 (or 11122 counting only the distinct ones).

The product of its digits is 1638400, while the sum is 48.

It can be divided in two parts, 124548 and 845421, that added together give a palindrome (969969).

The spelling of 124548845421 in words is "one hundred twenty-four billion, five hundred forty-eight million, eight hundred forty-five thousand, four hundred twenty-one".