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121232122 = 211192973137
BaseRepresentation
bin1110011100111…
…01101011111010
322110010020012121
413032131223322
5222013411442
620010231454
73001312264
oct716355372
9273106177
10121232122
1162483540
123472558a
131c1689ab
141215ab34
15a99a967
hex739dafa

121232122 has 64 divisors (see below), whose sum is σ = 220579200. Its totient is φ = 49351680.

The previous prime is 121232119. The next prime is 121232123. The reversal of 121232122 is 221232121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121232096 and 121232105.

It is not an unprimeable number, because it can be changed into a prime (121232123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 884838 + ... + 884974.

It is an arithmetic number, because the mean of its divisors is an integer number (3446550).

Almost surely, 2121232122 is an apocalyptic number.

121232122 is a deficient number, since it is larger than the sum of its proper divisors (99347078).

121232122 is a wasteful number, since it uses less digits than its factorization.

121232122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271.

The product of its digits is 96, while the sum is 16.

The square root of 121232122 is about 11010.5459446841. The cubic root of 121232122 is about 494.9248221034.

Adding to 121232122 its reverse (221232121), we get a palindrome (342464243).

Subtracting 121232122 from its reverse (221232121), we obtain a palindrome (99999999).

The spelling of 121232122 in words is "one hundred twenty-one million, two hundred thirty-two thousand, one hundred twenty-two".

Divisors: 1 2 11 19 22 29 38 58 73 137 146 209 274 319 418 551 638 803 1102 1387 1507 1606 2117 2603 2774 3014 3973 4234 5206 6061 7946 10001 12122 15257 20002 23287 28633 30514 40223 43703 46574 57266 75487 80446 87406 110011 150974 190019 220022 290029 380038 442453 580058 830357 884906 1660714 2090209 3190319 4180418 5510551 6380638 11021102 60616061 121232122