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122026427 = 257474811
BaseRepresentation
bin1110100010111…
…11100110111011
322111121120210022
413101133212323
5222214321202
620035241055
73011131115
oct721374673
9274546708
10122026427
1162976296
1234a4918b
131c3863b3
14122c63b5
15aaa5ea2
hex745f9bb

122026427 has 4 divisors (see below), whose sum is σ = 122501496. Its totient is φ = 121551360.

The previous prime is 122026423. The next prime is 122026433. The reversal of 122026427 is 724620221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122026427 - 22 = 122026423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122026396 and 122026405.

It is not an unprimeable number, because it can be changed into a prime (122026423) 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, 237149 + ... + 237662.

It is an arithmetic number, because the mean of its divisors is an integer number (30625374).

Almost surely, 2122026427 is an apocalyptic number.

122026427 is a deficient number, since it is larger than the sum of its proper divisors (475069).

122026427 is an equidigital number, since it uses as much as digits as its factorization.

122026427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475068.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 122026427 is about 11046.5572464909. The cubic root of 122026427 is about 496.0033750963.

Adding to 122026427 its reverse (724620221), we get a palindrome (846646648).

The spelling of 122026427 in words is "one hundred twenty-two million, twenty-six thousand, four hundred twenty-seven".

Divisors: 1 257 474811 122026427