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124234157 is a prime number
BaseRepresentation
bin1110110011110…
…10100110101101
322122202202020002
413121322212231
5223300443112
620154434045
73035654465
oct731724655
9278682202
10124234157
1164143a63
1235732925
131c97a248
14126dcba5
15ad901c2
hex767a9ad

124234157 has 2 divisors, whose sum is σ = 124234158. Its totient is φ = 124234156.

The previous prime is 124234129. The next prime is 124234163. The reversal of 124234157 is 751432421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124233316 + 841 = 11146^2 + 29^2 .

It is a cyclic number.

It is not a de Polignac number, because 124234157 - 210 = 124233133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124234127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62117078 + 62117079.

It is an arithmetic number, because the mean of its divisors is an integer number (62117079).

Almost surely, 2124234157 is an apocalyptic number.

It is an amenable number.

124234157 is a deficient number, since it is larger than the sum of its proper divisors (1).

124234157 is an equidigital number, since it uses as much as digits as its factorization.

124234157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 124234157 is about 11146.0377264748. The cubic root of 124234157 is about 498.9767834843.

Adding to 124234157 its reverse (751432421), we get a palindrome (875666578).

The spelling of 124234157 in words is "one hundred twenty-four million, two hundred thirty-four thousand, one hundred fifty-seven".