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121040960 = 265378253
BaseRepresentation
bin1110011011011…
…11000001000000
322102202111222112
413031233001000
5221441302320
620002154452
72666555045
oct715570100
9272674875
10121040960
1162362957
1234652a28
131c0cc991
141210b1cc
15a95dec5
hex736f040

121040960 has 28 divisors (see below), whose sum is σ = 288229548. Its totient is φ = 48416256.

The previous prime is 121040951. The next prime is 121040981. The reversal of 121040960 is 69040121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20720704 + 100320256 = 4552^2 + 10016^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188807 + ... + 189446.

Almost surely, 2121040960 is an apocalyptic number.

121040960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121040960 is an abundant number, since it is smaller than the sum of its proper divisors (167188588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121040960 is an equidigital number, since it uses as much as digits as its factorization.

121040960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378270 (or 378260 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 121040960 is about 11001.8616606463. The cubic root of 121040960 is about 494.6645484257.

It can be divided in two parts, 1210 and 40960, that multiplied together give a square (49561600 = 70402).

The spelling of 121040960 in words is "one hundred twenty-one million, forty thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 378253 756506 1513012 1891265 3026024 3782530 6052048 7565060 12104096 15130120 24208192 30260240 60520480 121040960