124078647420 has 576 divisors, whose sum is σ = 488932899840. Its totient is φ = 25564750848.

The previous prime is 124078647401. The next prime is 124078647431. The reversal of 124078647420 is 24746870421.

It is a super-3 number, since 3×124078647420³ (a number of 34 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 27467002 + ... + 27471518.

It is an arithmetic number, because the mean of its divisors is an integer number (848841840).

Almost surely, 2^124078647420 is an apocalyptic number.

124078647420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124078647420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244466449920).

124078647420 is an abundant number, since it is smaller than the sum of its proper divisors (364854252420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124078647420 is a wasteful number, since it uses less digits than its factorization.

124078647420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611 (or 4590 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

The spelling of 124078647420 in words is "one hundred twenty-four billion, seventy-eight million, six hundred forty-seven thousand, four hundred twenty".