103052421 has 24 divisors (see below), whose sum is σ = 152484696. Its totient is φ = 67046400.

The previous prime is 103052413. The next prime is 103052429. The reversal of 103052421 is 124250301.

It is an interprime number because it is at equal distance from previous prime (103052413) and next prime (103052429).

It can be written as a sum of positive squares in 4 ways, for example, as 22752900 + 80299521 = 4770^2 + 8961^2 .

It is not a de Polignac number, because 103052421 - 2³ = 103052413 is a prime.

It is a super-2 number, since 2×103052421² = 21239602947922482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103052394 and 103052403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103052429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65581 + ... + 67133.

It is an arithmetic number, because the mean of its divisors is an integer number (6353529).

Almost surely, 2^103052421 is an apocalyptic number.

It is an amenable number.

103052421 is a deficient number, since it is larger than the sum of its proper divisors (49432275).

103052421 is a wasteful number, since it uses less digits than its factorization.

103052421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733 (or 1730 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 103052421 is about 10151.4738338824. The cubic root of 103052421 is about 468.8343242432.

The spelling of 103052421 in words is "one hundred three million, fifty-two thousand, four hundred twenty-one".