124871484021 has 16 divisors (see below), whose sum is σ = 176410586304. Its totient is φ = 78296765184.

The previous prime is 124871484007. The next prime is 124871484079. The reversal of 124871484021 is 120484178421.

It is a happy number.

It is not a de Polignac number, because 124871484021 - 2¹³ = 124871475829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124871485021) 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, 768451 + ... + 916656.

It is an arithmetic number, because the mean of its divisors is an integer number (11025661644).

Almost surely, 2^124871484021 is an apocalyptic number.

It is an amenable number.

124871484021 is a deficient number, since it is larger than the sum of its proper divisors (51539102283).

124871484021 is a wasteful number, since it uses less digits than its factorization.

124871484021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686580.

The product of its (nonzero) digits is 114688, while the sum is 42.

The spelling of 124871484021 in words is "one hundred twenty-four billion, eight hundred seventy-one million, four hundred eighty-four thousand, twenty-one".