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121121332 = 2230280333
BaseRepresentation
bin1110011100000…
…10101000110100
322102220121020021
413032002220310
5222001340312
620004014524
73000341263
oct716025064
9272817207
10121121332
1162408282
1234691444
131c12a437
141212c5da
15a977c07
hex7382a34

121121332 has 6 divisors (see below), whose sum is σ = 211962338. Its totient is φ = 60560664.

The previous prime is 121121317. The next prime is 121121347. The reversal of 121121332 is 233121121.

It is an interprime number because it is at equal distance from previous prime (121121317) and next prime (121121347).

It can be written as a sum of positive squares in only one way, i.e., 67010596 + 54110736 = 8186^2 + 7356^2 .

It is a super-3 number, since 3×1211213323 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15140163 + ... + 15140170.

Almost surely, 2121121332 is an apocalyptic number.

It is an amenable number.

121121332 is a deficient number, since it is larger than the sum of its proper divisors (90841006).

121121332 is a wasteful number, since it uses less digits than its factorization.

121121332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30280337 (or 30280335 counting only the distinct ones).

The product of its digits is 72, while the sum is 16.

The square root of 121121332 is about 11005.5137090460. The cubic root of 121121332 is about 494.7740110480.

Adding to 121121332 its reverse (233121121), we get a palindrome (354242453).

The spelling of 121121332 in words is "one hundred twenty-one million, one hundred twenty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 30280333 60560666 121121332