100446121 has 2 divisors, whose sum is σ = 100446122. Its totient is φ = 100446120.

The previous prime is 100446109. The next prime is 100446127. The reversal of 100446121 is 121644001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92544400 + 7901721 = 9620^2 + 2811^2 .

It is an emirp because it is prime and its reverse (121644001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100446121 - 2⁷ = 100445993 is a prime.

It is not a weakly prime, because it can be changed into another prime (100446127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50223060 + 50223061.

It is an arithmetic number, because the mean of its divisors is an integer number (50223061).

Almost surely, 2^100446121 is an apocalyptic number.

It is an amenable number.

100446121 is a deficient number, since it is larger than the sum of its proper divisors (1).

100446121 is an equidigital number, since it uses as much as digits as its factorization.

100446121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 100446121 is about 10022.2812273454. The cubic root of 100446121 is about 464.8480962180.

The spelling of 100446121 in words is "one hundred million, four hundred forty-six thousand, one hundred twenty-one".