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122121122 = 2237973331
BaseRepresentation
bin1110100011101…
…10101110100010
322111210101200112
413101312232202
5222230333442
620041251322
73012004154
oct721665642
9274711615
10122121122
1162a30452
1234a93b42
131c3ba526
15aac4082
hex7476ba2

122121122 has 16 divisors (see below), whose sum is σ = 191443392. Its totient is φ = 58314960.

The previous prime is 122121119. The next prime is 122121187. The reversal of 122121122 is 221121221.

Adding to 122121122 its reverse (221121221), we get a palindrome (343242343).

Subtracting 122121122 from its reverse (221121221), we obtain a palindrome (99000099).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 122121097 and 122121106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34997 + ... + 38327.

It is an arithmetic number, because the mean of its divisors is an integer number (11965212).

Almost surely, 2122121122 is an apocalyptic number.

122121122 is a deficient number, since it is larger than the sum of its proper divisors (69322270).

122121122 is a wasteful number, since it uses less digits than its factorization.

122121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4153.

The product of its digits is 32, while the sum is 14.

The square root of 122121122 is about 11050.8425923094. The cubic root of 122121122 is about 496.1316448390.

The spelling of 122121122 in words is "one hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-two".