100050421 has 2 divisors, whose sum is σ = 100050422. Its totient is φ = 100050420.

The previous prime is 100050413. The next prime is 100050443. The reversal of 100050421 is 124050001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98227921 + 1822500 = 9911^2 + 1350^2 .

It is a cyclic number.

It is not a de Polignac number, because 100050421 - 2³ = 100050413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100050521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50025210 + 50025211.

It is an arithmetic number, because the mean of its divisors is an integer number (50025211).

Almost surely, 2^100050421 is an apocalyptic number.

It is an amenable number.

100050421 is a deficient number, since it is larger than the sum of its proper divisors (1).

100050421 is an equidigital number, since it uses as much as digits as its factorization.

100050421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 100050421 is about 10002.5207322954. The cubic root of 100050421 is about 464.2368814371.

The spelling of 100050421 in words is "one hundred million, fifty thousand, four hundred twenty-one".