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122105401 = 1116096899
BaseRepresentation
bin1110100011100…
…10111000111001
322111202121010021
413101302320321
5222224333101
620041050441
73011610265
oct721627071
9274677107
10122105401
1162a1a660
1234a86a21
131c3b3322
14123070a5
15aabe5a1
hex7472e39

122105401 has 8 divisors (see below), whose sum is σ = 133308000. Its totient is φ = 110919840.

The previous prime is 122105393. The next prime is 122105429. The reversal of 122105401 is 104501221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122105401 - 23 = 122105393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122105461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14250 + ... + 21148.

It is an arithmetic number, because the mean of its divisors is an integer number (16663500).

Almost surely, 2122105401 is an apocalyptic number.

122105401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122105401 is a deficient number, since it is larger than the sum of its proper divisors (11202599).

122105401 is a wasteful number, since it uses less digits than its factorization.

122105401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8519.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 122105401 is about 11050.1312661887. The cubic root of 122105401 is about 496.1103544453.

Adding to 122105401 its reverse (104501221), we get a palindrome (226606622).

The spelling of 122105401 in words is "one hundred twenty-two million, one hundred five thousand, four hundred one".

Divisors: 1 11 1609 6899 17699 75889 11100491 122105401