3124121020 has 48 divisors (see below), whose sum is σ = 6743237760. Its totient is φ = 1215212544.

The previous prime is 3124121017. The next prime is 3124121023. The reversal of 3124121020 is 201214213.

It is an interprime number because it is at equal distance from previous prime (3124121017) and next prime (3124121023).

It is a junction number, because it is equal to n+sod(n) for n = 3124120985 and 3124121003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3124121023) 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, 136996 + ... + 158164.

It is an arithmetic number, because the mean of its divisors is an integer number (140484120).

Almost surely, 2^3124121020 is an apocalyptic number.

It is an amenable number.

3124121020 is an abundant number, since it is smaller than the sum of its proper divisors (3619116740).

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

3124121020 is a wasteful number, since it uses less digits than its factorization.

3124121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21382 (or 21380 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3124121020 is about 55893.8370484618. The cubic root of 3124121020 is about 1461.8717814200.

Adding to 3124121020 its reverse (201214213), we get a palindrome (3325335233).

The spelling of 3124121020 in words is "three billion, one hundred twenty-four million, one hundred twenty-one thousand, twenty".