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124130122 = 262065061
BaseRepresentation
bin1110110011000…
…01001101001010
322122120110111221
413121201031022
5223234130442
620152312254
73035042254
oct731411512
9278513457
10124130122
1164082886
12356a268a
131c941a9c
14126b2cd4
15ad6e467
hex766134a

124130122 has 4 divisors (see below), whose sum is σ = 186195186. Its totient is φ = 62065060.

The previous prime is 124130113. The next prime is 124130129. The reversal of 124130122 is 221031421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221031421 = 1317002417.

It can be written as a sum of positive squares in only one way, i.e., 111534721 + 12595401 = 10561^2 + 3549^2 .

It is a junction number, because it is equal to n+sod(n) for n = 124130096 and 124130105.

It is not an unprimeable number, because it can be changed into a prime (124130129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31032529 + ... + 31032532.

Almost surely, 2124130122 is an apocalyptic number.

124130122 is a deficient number, since it is larger than the sum of its proper divisors (62065064).

124130122 is an equidigital number, since it uses as much as digits as its factorization.

124130122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62065063.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 124130122 is about 11141.3698439644. The cubic root of 124130122 is about 498.8374617713.

Adding to 124130122 its reverse (221031421), we get a palindrome (345161543).

The spelling of 124130122 in words is "one hundred twenty-four million, one hundred thirty thousand, one hundred twenty-two".

Divisors: 1 2 62065061 124130122