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122140134 = 23213948817
BaseRepresentation
bin1110100011110…
…11010111100110
322111211100202200
413101323113212
5222231441014
620041515330
73012113454
oct721732746
9274740680
10122140134
1162a43766
1234aa2b46
131c3c608c
14123159d4
15aac9a09
hex747b5e6

122140134 has 24 divisors (see below), whose sum is σ = 266546280. Its totient is φ = 40419648.

The previous prime is 122140111. The next prime is 122140147. The reversal of 122140134 is 431041221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21907 + ... + 26910.

It is an arithmetic number, because the mean of its divisors is an integer number (11106095).

Almost surely, 2122140134 is an apocalyptic number.

122140134 is an abundant number, since it is smaller than the sum of its proper divisors (144406146).

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

122140134 is a wasteful number, since it uses less digits than its factorization.

122140134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48964 (or 48961 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 122140134 is about 11051.7027647327. The cubic root of 122140134 is about 496.1573896767.

Adding to 122140134 its reverse (431041221), we get a palindrome (553181355).

The spelling of 122140134 in words is "one hundred twenty-two million, one hundred forty thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 18 139 278 417 834 1251 2502 48817 97634 146451 292902 439353 878706 6785563 13571126 20356689 40713378 61070067 122140134