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122472101 is a prime number
BaseRepresentation
bin1110100110011…
…00011010100101
322112110020010202
413103030122211
5222323101401
620053000245
73014665343
oct723143245
9275406122
10122472101
1163150114
1235023085
131c4b11cb
14123a0993
15ab4306b
hex74cc6a5

122472101 has 2 divisors, whose sum is σ = 122472102. Its totient is φ = 122472100.

The previous prime is 122472071. The next prime is 122472167. The reversal of 122472101 is 101274221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102535876 + 19936225 = 10126^2 + 4465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122472101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122472001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61236050 + 61236051.

It is an arithmetic number, because the mean of its divisors is an integer number (61236051).

Almost surely, 2122472101 is an apocalyptic number.

It is an amenable number.

122472101 is a deficient number, since it is larger than the sum of its proper divisors (1).

122472101 is an equidigital number, since it uses as much as digits as its factorization.

122472101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 122472101 is about 11066.7113904719. The cubic root of 122472101 is about 496.6064882621.

The spelling of 122472101 in words is "one hundred twenty-two million, four hundred seventy-two thousand, one hundred one".