6121020 has 72 divisors (see below), whose sum is σ = 18257904. Its totient is φ = 1531904.

The previous prime is 6120997. The next prime is 6121057. The reversal of 6121020 is 201216.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 6120987 and 6121005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17164 + ... + 17516.

It is an arithmetic number, because the mean of its divisors is an integer number (253582).

Almost surely, 2^6121020 is an apocalyptic number.

6121020 is a gapful number since it is divisible by the number (60) 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 6121020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9128952).

6121020 is an abundant number, since it is smaller than the sum of its proper divisors (12136884).

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

6121020 is a wasteful number, since it uses less digits than its factorization.

6121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 6121020 is about 2474.0695220628. The cubic root of 6121020 is about 182.9256468823.

Adding to 6121020 its reverse (201216), we get a palindrome (6322236).

The spelling of 6121020 in words is "six million, one hundred twenty-one thousand, twenty".