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124918061 is a prime number
BaseRepresentation
bin1110111001000…
…01100100101101
322201001111100212
413130201210231
5223434334221
620221232205
73044533412
oct734414455
9281044325
10124918061
1164570874
1235a02665
131cb59618
141283a109
15ae77b5b
hex772192d

124918061 has 2 divisors, whose sum is σ = 124918062. Its totient is φ = 124918060.

The previous prime is 124918019. The next prime is 124918081. The reversal of 124918061 is 160819421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123432100 + 1485961 = 11110^2 + 1219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-124918061 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124918081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62459030 + 62459031.

It is an arithmetic number, because the mean of its divisors is an integer number (62459031).

Almost surely, 2124918061 is an apocalyptic number.

It is an amenable number.

124918061 is a deficient number, since it is larger than the sum of its proper divisors (1).

124918061 is an equidigital number, since it uses as much as digits as its factorization.

124918061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 124918061 is about 11176.6748633035. The cubic root of 124918061 is about 499.8907241193.

The spelling of 124918061 in words is "one hundred twenty-four million, nine hundred eighteen thousand, sixty-one".