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122220103 = 196432637
BaseRepresentation
bin1110100100011…
…10111001000111
322111222102110111
413102032321013
5222242020403
620043333451
73012565555
oct722167107
9274872414
10122220103
1162a98855
1234b21287
131c4235b5
1412336bd5
15aae356d
hex748ee47

122220103 has 4 divisors (see below), whose sum is σ = 128652760. Its totient is φ = 115787448.

The previous prime is 122220041. The next prime is 122220113. The reversal of 122220103 is 301022221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122220103 - 213 = 122211911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3216300 + ... + 3216337.

It is an arithmetic number, because the mean of its divisors is an integer number (32163190).

Almost surely, 2122220103 is an apocalyptic number.

122220103 is a deficient number, since it is larger than the sum of its proper divisors (6432657).

122220103 is an equidigital number, since it uses as much as digits as its factorization.

122220103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6432656.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 122220103 is about 11055.3201220046. The cubic root of 122220103 is about 496.2656493531.

Adding to 122220103 its reverse (301022221), we get a palindrome (423242324).

The spelling of 122220103 in words is "one hundred twenty-two million, two hundred twenty thousand, one hundred three".

Divisors: 1 19 6432637 122220103