510102421 has 8 divisors (see below), whose sum is σ = 533073024. Its totient is φ = 487636800.

The previous prime is 510102407. The next prime is 510102449. The reversal of 510102421 is 124201015.

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 510102421 - 2⁵ = 510102389 is a prime.

It is a super-2 number, since 2×510102421² = 520408959820122482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 510102395 and 510102404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (510102401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124180 + ... + 128221.

It is an arithmetic number, because the mean of its divisors is an integer number (66634128).

Almost surely, 2^510102421 is an apocalyptic number.

It is an amenable number.

510102421 is a deficient number, since it is larger than the sum of its proper divisors (22970603).

510102421 is a wasteful number, since it uses less digits than its factorization.

510102421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252491.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 510102421 is about 22585.4471064887. The cubic root of 510102421 is about 799.0104541075.

Adding to 510102421 its reverse (124201015), we get a palindrome (634303436).

The spelling of 510102421 in words is "five hundred ten million, one hundred two thousand, four hundred twenty-one".