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120422121 = 3293136999
BaseRepresentation
bin1110010110101…
…11111011101001
322101121002002120
413023113323221
5221312001441
615541021453
72661366621
oct713277351
9271532076
10120422121
1161a7aa16
12343b4889
131bc440c1
1411dc9881
15a88a966
hex72d7ee9

120422121 has 8 divisors (see below), whose sum is σ = 161112000. Its totient is φ = 80006832.

The previous prime is 120422119. The next prime is 120422129. The reversal of 120422121 is 121224021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120422121 - 21 = 120422119 is a prime.

It is a super-2 number, since 2×1204221212 = 29002974452277282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120422121.

It is not an unprimeable number, because it can be changed into a prime (120422129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67621 + ... + 69378.

It is an arithmetic number, because the mean of its divisors is an integer number (20139000).

Almost surely, 2120422121 is an apocalyptic number.

It is an amenable number.

120422121 is a deficient number, since it is larger than the sum of its proper divisors (40689879).

120422121 is a wasteful number, since it uses less digits than its factorization.

120422121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137295.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 120422121 is about 10973.7013354656. The cubic root of 120422121 is about 493.8200935366.

Adding to 120422121 its reverse (121224021), we get a palindrome (241646142).

The spelling of 120422121 in words is "one hundred twenty million, four hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 3 293 879 136999 410997 40140707 120422121