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121230122 = 2132358669
BaseRepresentation
bin1110011100111…
…01001100101010
322110010010110112
413032131030222
5222013330442
620010214322
73001303406
oct716351452
9273103415
10121230122
1162481a92
12347243a2
131c167b00
141215a106
15a99a082
hex739d32a

121230122 has 12 divisors (see below), whose sum is σ = 196909830. Its totient is φ = 55952208.

The previous prime is 121230097. The next prime is 121230139. The reversal of 121230122 is 221032121.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 59151481 + 62078641 = 7691^2 + 7879^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121230097 and 121230106.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178997 + ... + 179672.

Almost surely, 2121230122 is an apocalyptic number.

121230122 is a deficient number, since it is larger than the sum of its proper divisors (75679708).

121230122 is a wasteful number, since it uses less digits than its factorization.

121230122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358697 (or 358684 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 121230122 is about 11010.4551222917. The cubic root of 121230122 is about 494.9221004510.

Adding to 121230122 its reverse (221032121), we get a palindrome (342262243).

The spelling of 121230122 in words is "one hundred twenty-one million, two hundred thirty thousand, one hundred twenty-two".

Divisors: 1 2 13 26 169 338 358669 717338 4662697 9325394 60615061 121230122