3021420129 has 32 divisors (see below), whose sum is σ = 5129214720. Its totient is φ = 1538756352.

The previous prime is 3021420113. The next prime is 3021420137. The reversal of 3021420129 is 9210241203.

It is not a de Polignac number, because 3021420129 - 2⁴ = 3021420113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3021420099 and 3021420108.

It is not an unprimeable number, because it can be changed into a prime (3021420169) 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, 182902 + ... + 198735.

It is an arithmetic number, because the mean of its divisors is an integer number (160287960).

Almost surely, 2^3021420129 is an apocalyptic number.

3021420129 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3021420129 is a deficient number, since it is larger than the sum of its proper divisors (2107794591).

3021420129 is a wasteful number, since it uses less digits than its factorization.

3021420129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381689.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 3021420129 is about 54967.4460840232. The cubic root of 3021420129 is about 1445.6740076328.

The spelling of 3021420129 in words is "three billion, twenty-one million, four hundred twenty thousand, one hundred twenty-nine".