6123870 has 64 divisors (see below), whose sum is σ = 16799040. Its totient is φ = 1586304.

The previous prime is 6123869. The next prime is 6123877. The reversal of 6123870 is 783216.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6123877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9684 + ... + 10296.

It is an arithmetic number, because the mean of its divisors is an integer number (262485).

Almost surely, 2^6123870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6123870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8399520).

6123870 is an abundant number, since it is smaller than the sum of its proper divisors (10675170).

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

6123870 is a wasteful number, since it uses less digits than its factorization.

6123870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 6123870 is about 2474.6454291474. The cubic root of 6123870 is about 182.9540330664.

The spelling of 6123870 in words is "six million, one hundred twenty-three thousand, eight hundred seventy".