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122432101 = 1129337987
BaseRepresentation
bin1110100110000…
…10101001100101
322112101012021021
413103002221211
5222320311401
620052051141
73014440621
oct723025145
9275335237
10122432101
1163123060
1235003ab1
131c498c3c
1412390181
15ab362a1
hex74c2a65

122432101 has 8 divisors (see below), whose sum is σ = 134021664. Its totient is φ = 110919120.

The previous prime is 122432077. The next prime is 122432111. The reversal of 122432101 is 101234221.

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 122432101 - 25 = 122432069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122432111) 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 in 7 ways as a sum of consecutive naturals, for example, 15771 + ... + 22216.

It is an arithmetic number, because the mean of its divisors is an integer number (16752708).

Almost surely, 2122432101 is an apocalyptic number.

122432101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122432101 is a deficient number, since it is larger than the sum of its proper divisors (11589563).

122432101 is a wasteful number, since it uses less digits than its factorization.

122432101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38291.

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

The square root of 122432101 is about 11064.9040212737. The cubic root of 122432101 is about 496.5524176551.

Adding to 122432101 its reverse (101234221), we get a palindrome (223666322).

The spelling of 122432101 in words is "one hundred twenty-two million, four hundred thirty-two thousand, one hundred one".

Divisors: 1 11 293 3223 37987 417857 11130191 122432101