106200421 has 2 divisors, whose sum is σ = 106200422. Its totient is φ = 106200420.

The previous prime is 106200383. The next prime is 106200431. The reversal of 106200421 is 124002601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106193025 + 7396 = 10305^2 + 86^2 .

It is a cyclic number.

It is not a de Polignac number, because 106200421 - 2⁹ = 106199909 is a prime.

It is a super-2 number, since 2×106200421² = 22557058841154482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106200395 and 106200404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106200431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53100210 + 53100211.

It is an arithmetic number, because the mean of its divisors is an integer number (53100211).

Almost surely, 2^106200421 is an apocalyptic number.

It is an amenable number.

106200421 is a deficient number, since it is larger than the sum of its proper divisors (1).

106200421 is an equidigital number, since it uses as much as digits as its factorization.

106200421 is an odious number, because the sum of its binary digits is odd.

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

The square root of 106200421 is about 10305.3588486767. The cubic root of 106200421 is about 473.5604371517.

The spelling of 106200421 in words is "one hundred six million, two hundred thousand, four hundred twenty-one".