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121232133 = 34111031321
BaseRepresentation
bin1110011100111…
…01101100000101
322110010020020000
413032131230011
5222013412013
620010231513
73001312311
oct716355405
9273106200
10121232133
1162483550
1234725599
131c1689b9
141215ab41
15a99a973
hex739db05

121232133 has 40 divisors (see below), whose sum is σ = 199632576. Its totient is φ = 72705600.

The previous prime is 121232123. The next prime is 121232143. The reversal of 121232133 is 331232121.

It is an interprime number because it is at equal distance from previous prime (121232123) and next prime (121232143).

It is not a de Polignac number, because 121232133 - 25 = 121232101 is a prime.

It is a Curzon number.

It is a congruent number.

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 39 ways as a sum of consecutive naturals, for example, 91113 + ... + 92433.

Almost surely, 2121232133 is an apocalyptic number.

It is an amenable number.

121232133 is a deficient number, since it is larger than the sum of its proper divisors (78400443).

121232133 is a wasteful number, since it uses less digits than its factorization.

121232133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447 (or 1438 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 121232133 is about 11010.5464442052. The cubic root of 121232133 is about 494.9248370724.

Adding to 121232133 its reverse (331232121), we get a palindrome (452464254).

The spelling of 121232133 in words is "one hundred twenty-one million, two hundred thirty-two thousand, one hundred thirty-three".

Divisors: 1 3 9 11 27 33 81 99 103 297 309 891 927 1133 1321 2781 3399 3963 8343 10197 11889 14531 30591 35667 43593 91773 107001 130779 136063 392337 408189 1177011 1224567 1496693 3673701 4490079 11021103 13470237 40410711 121232133