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124142047 is a prime number
BaseRepresentation
bin1110110011001…
…00000111011111
322122121001212121
413121210013133
5223240021142
620152443411
73035122111
oct731440737
9278531777
10124142047
1164090837
12356a9567
131c947343
14126b73b1
hex76641df

124142047 has 2 divisors, whose sum is σ = 124142048. Its totient is φ = 124142046.

The previous prime is 124142033. The next prime is 124142071. The reversal of 124142047 is 740241421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124142047 - 211 = 124139999 is a prime.

It is a super-2 number, since 2×1241420472 = 30822495666700418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124142027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62071023 + 62071024.

It is an arithmetic number, because the mean of its divisors is an integer number (62071024).

Almost surely, 2124142047 is an apocalyptic number.

124142047 is a deficient number, since it is larger than the sum of its proper divisors (1).

124142047 is an equidigital number, since it uses as much as digits as its factorization.

124142047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 124142047 is about 11141.9049986975. The cubic root of 124142047 is about 498.8534354559.

Adding to 124142047 its reverse (740241421), we get a palindrome (864383468).

The spelling of 124142047 in words is "one hundred twenty-four million, one hundred forty-two thousand, forty-seven".