124781000851 has 8 divisors (see below), whose sum is σ = 134493340464. Its totient is φ = 115084918560.

The previous prime is 124781000801. The next prime is 124781000873. The reversal of 124781000851 is 158000187421.

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 124781000851 - 2⁹ = 124781000339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124781000851.

It is not an unprimeable number, because it can be changed into a prime (124781000801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4048381 + ... + 4079086.

It is an arithmetic number, because the mean of its divisors is an integer number (16811667558).

Almost surely, 2^124781000851 is an apocalyptic number.

124781000851 is a deficient number, since it is larger than the sum of its proper divisors (9712339613).

124781000851 is a wasteful number, since it uses less digits than its factorization.

124781000851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8128661.

The product of its (nonzero) digits is 17920, while the sum is 37.

The spelling of 124781000851 in words is "one hundred twenty-four billion, seven hundred eighty-one million, eight hundred fifty-one", and thus it is an aban number.