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124270717 is a prime number
BaseRepresentation
bin1110110100000…
…11100001111101
322122211121101011
413122003201331
5223303130332
620155315221
73036166204
oct732034175
9278747334
10124270717
116416947a
123574bb11
131c990a8c
141270c23b
15ad9ae47
hex768387d

124270717 has 2 divisors, whose sum is σ = 124270718. Its totient is φ = 124270716.

The previous prime is 124270709. The next prime is 124270721. The reversal of 124270717 is 717072421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95765796 + 28504921 = 9786^2 + 5339^2 .

It is a cyclic number.

It is not a de Polignac number, because 124270717 - 23 = 124270709 is a prime.

It is a super-2 number, since 2×1242707172 = 30886422207388178, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124270117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62135358 + 62135359.

It is an arithmetic number, because the mean of its divisors is an integer number (62135359).

Almost surely, 2124270717 is an apocalyptic number.

It is an amenable number.

124270717 is a deficient number, since it is larger than the sum of its proper divisors (1).

124270717 is an equidigital number, since it uses as much as digits as its factorization.

124270717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 124270717 is about 11147.6776505243. The cubic root of 124270717 is about 499.0257254780.

The spelling of 124270717 in words is "one hundred twenty-four million, two hundred seventy thousand, seven hundred seventeen".