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1222122103 is a prime number
BaseRepresentation
bin100100011011000…
…0001101001110111
310011011122020100121
41020312001221313
510000330401403
6321134152411
742166603126
oct11066015167
93134566317
101222122103
11577946474
122a1352707
1316626b797
14b844babd
157245a3bd
hex48d81a77

1222122103 has 2 divisors, whose sum is σ = 1222122104. Its totient is φ = 1222122102.

The previous prime is 1222122073. The next prime is 1222122131. The reversal of 1222122103 is 3012212221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1222122103 is a prime.

It is a super-2 number, since 2×12221221032 = 2987164869282285218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222122193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611061051 + 611061052.

It is an arithmetic number, because the mean of its divisors is an integer number (611061052).

Almost surely, 21222122103 is an apocalyptic number.

1222122103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222122103 is an equidigital number, since it uses as much as digits as its factorization.

1222122103 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 1222122103 is about 34958.8630106873. The cubic root of 1222122103 is about 1069.1489150339.

Adding to 1222122103 its reverse (3012212221), we get a palindrome (4234334324).

The spelling of 1222122103 in words is "one billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred three".