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124021222 = 21317280591
BaseRepresentation
bin1110110010001…
…10100111100110
322122100221010121
413121012213212
5223222134342
620150112154
73034106623
oct731064746
9278327117
10124021222
1164008a86
123564b65a
131c904350
141268534a
15ad4c067
hex76469e6

124021222 has 16 divisors (see below), whose sum is σ = 212127552. Its totient is φ = 53873280.

The previous prime is 124021213. The next prime is 124021241. The reversal of 124021222 is 222120421.

It is a junction number, because it is equal to n+sod(n) for n = 124021196 and 124021205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139854 + ... + 140737.

It is an arithmetic number, because the mean of its divisors is an integer number (13257972).

Almost surely, 2124021222 is an apocalyptic number.

124021222 is a deficient number, since it is larger than the sum of its proper divisors (88106330).

124021222 is a wasteful number, since it uses less digits than its factorization.

124021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280623.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 124021222 is about 11136.4815808226. The cubic root of 124021222 is about 498.6915415264.

Adding to 124021222 its reverse (222120421), we get a palindrome (346141643).

The spelling of 124021222 in words is "one hundred twenty-four million, twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 13 17 26 34 221 442 280591 561182 3647683 4770047 7295366 9540094 62010611 124021222