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124001431 is a prime number
BaseRepresentation
bin1110110010000…
…01110010010111
322122022220222121
413121001302113
5223221021211
620145440411
73033665131
oct731016227
9278286877
10124001431
1163aa5124
1235640107
131c8c8338
141267c051
15ad46271
hex7641c97

124001431 has 2 divisors, whose sum is σ = 124001432. Its totient is φ = 124001430.

The previous prime is 124001413. The next prime is 124001443. The reversal of 124001431 is 134100421.

Together with previous prime (124001413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124001431 - 25 = 124001399 is a prime.

It is a super-4 number, since 4×1240014314 (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124001461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62000715 + 62000716.

It is an arithmetic number, because the mean of its divisors is an integer number (62000716).

Almost surely, 2124001431 is an apocalyptic number.

124001431 is a deficient number, since it is larger than the sum of its proper divisors (1).

124001431 is an equidigital number, since it uses as much as digits as its factorization.

124001431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 124001431 is about 11135.5929792715. The cubic root of 124001431 is about 498.6650134608.

Adding to 124001431 its reverse (134100421), we get a palindrome (258101852).

It can be divided in two parts, 12400 and 1431, that added together give a palindrome (13831).

The spelling of 124001431 in words is "one hundred twenty-four million, one thousand, four hundred thirty-one".