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124212106 = 262106053
BaseRepresentation
bin1110110011101…
…01001110001010
322122201121222101
413121311032022
5223244241411
620154144014
73035533264
oct731651612
9278647871
10124212106
1164129437
123572200a
131c9701b5
14126d4b34
15ad888c1
hex767538a

124212106 has 4 divisors (see below), whose sum is σ = 186318162. Its totient is φ = 62106052.

The previous prime is 124212103. The next prime is 124212107. The reversal of 124212106 is 601212421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 601212421 = 1931642759.

It can be written as a sum of positive squares in only one way, i.e., 108680625 + 15531481 = 10425^2 + 3941^2 .

It is not an unprimeable number, because it can be changed into a prime (124212103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31053025 + ... + 31053028.

Almost surely, 2124212106 is an apocalyptic number.

124212106 is a deficient number, since it is larger than the sum of its proper divisors (62106056).

124212106 is an equidigital number, since it uses as much as digits as its factorization.

124212106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62106055.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 124212106 is about 11145.0484969784. The cubic root of 124212106 is about 498.9472596980.

Adding to 124212106 its reverse (601212421), we get a palindrome (725424527).

The spelling of 124212106 in words is "one hundred twenty-four million, two hundred twelve thousand, one hundred six".

Divisors: 1 2 62106053 124212106