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121422341 is a prime number
BaseRepresentation
bin1110011110011…
…00001000000101
322110110220010202
413033030020011
5222041003331
620014300245
73003033665
oct717141005
9273426122
10121422341
11625a3447
12347b7685
131c204451
14121aa1a5
15a9d6ecb
hex73cc205

121422341 has 2 divisors, whose sum is σ = 121422342. Its totient is φ = 121422340.

The previous prime is 121422281. The next prime is 121422373. The reversal of 121422341 is 143224121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110859841 + 10562500 = 10529^2 + 3250^2 .

It is an emirp because it is prime and its reverse (143224121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121422341 - 210 = 121421317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121422241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60711170 + 60711171.

It is an arithmetic number, because the mean of its divisors is an integer number (60711171).

Almost surely, 2121422341 is an apocalyptic number.

It is an amenable number.

121422341 is a deficient number, since it is larger than the sum of its proper divisors (1).

121422341 is an equidigital number, since it uses as much as digits as its factorization.

121422341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 20.

The square root of 121422341 is about 11019.1805956704. The cubic root of 121422341 is about 495.1835404122.

Adding to 121422341 its reverse (143224121), we get a palindrome (264646462).

The spelling of 121422341 in words is "one hundred twenty-one million, four hundred twenty-two thousand, three hundred forty-one".