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122131016 = 2372180911
BaseRepresentation
bin1110100011110…
…01001001001000
322111210220020222
413101321021020
5222231143031
620041405212
73012045050
oct721711110
9274726228
10122131016
1162a37927
1234a99808
131c3c1b97
1412312560
15aac6e7b
hex7479248

122131016 has 16 divisors (see below), whose sum is σ = 261709440. Its totient is φ = 52341840.

The previous prime is 122130997. The next prime is 122131019. The reversal of 122131016 is 610131221.

It is a junction number, because it is equal to n+sod(n) for n = 122130985 and 122131003.

It is not an unprimeable number, because it can be changed into a prime (122131019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1090400 + ... + 1090511.

It is an arithmetic number, because the mean of its divisors is an integer number (16356840).

Almost surely, 2122131016 is an apocalyptic number.

It is an amenable number.

122131016 is an abundant number, since it is smaller than the sum of its proper divisors (139578424).

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

122131016 is a wasteful number, since it uses less digits than its factorization.

122131016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180924 (or 2180920 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 122131016 is about 11051.2902414153. The cubic root of 122131016 is about 496.1450429961.

Adding to 122131016 its reverse (610131221), we get a palindrome (732262237).

The spelling of 122131016 in words is "one hundred twenty-two million, one hundred thirty-one thousand, sixteen".

Divisors: 1 2 4 7 8 14 28 56 2180911 4361822 8723644 15266377 17447288 30532754 61065508 122131016