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124242973 is a prime number
BaseRepresentation
bin1110110011111…
…00110000011101
322122210012022121
413121330300131
5223301233343
620154542541
73036022261
oct731746035
9278705277
10124242973
116414a648
1235737a51
131c98126a
14127020a1
15ad92aed
hex767cc1d

124242973 has 2 divisors, whose sum is σ = 124242974. Its totient is φ = 124242972.

The previous prime is 124242959. The next prime is 124243027. The reversal of 124242973 is 379242421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120956004 + 3286969 = 10998^2 + 1813^2 .

It is an emirp because it is prime and its reverse (379242421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-124242973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124242913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62121486 + 62121487.

It is an arithmetic number, because the mean of its divisors is an integer number (62121487).

Almost surely, 2124242973 is an apocalyptic number.

It is an amenable number.

124242973 is a deficient number, since it is larger than the sum of its proper divisors (1).

124242973 is an equidigital number, since it uses as much as digits as its factorization.

124242973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 124242973 is about 11146.4331963189. The cubic root of 124242973 is about 498.9885861301.

The spelling of 124242973 in words is "one hundred twenty-four million, two hundred forty-two thousand, nine hundred seventy-three".