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124491371 is a prime number
BaseRepresentation
bin1110110101110…
…01011001101011
322200020211001112
413122321121223
5223332210441
620204140535
73041105414
oct732713153
9280224045
10124491371
11642aa234
123583774b
131ca3a344
141276880b
15ade14eb
hex76b966b

124491371 has 2 divisors, whose sum is σ = 124491372. Its totient is φ = 124491370.

The previous prime is 124491349. The next prime is 124491377. The reversal of 124491371 is 173194421.

It is a strong prime.

It is an emirp because it is prime and its reverse (173194421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-124491371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124491377) 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, 62245685 + 62245686.

It is an arithmetic number, because the mean of its divisors is an integer number (62245686).

Almost surely, 2124491371 is an apocalyptic number.

124491371 is a deficient number, since it is larger than the sum of its proper divisors (1).

124491371 is an equidigital number, since it uses as much as digits as its factorization.

124491371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 124491371 is about 11157.5701207745. The cubic root of 124491371 is about 499.3209060805.

The spelling of 124491371 in words is "one hundred twenty-four million, four hundred ninety-one thousand, three hundred seventy-one".