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124371361 is a prime number
BaseRepresentation
bin1110110100111…
…00000110100001
322200000201102201
413122130012201
5223314340421
620201413201
73040065502
oct732340641
9280021381
10124371361
1164228054
123579a201
131c9c782a
1412736ba9
15adbab91
hex769c1a1

124371361 has 2 divisors, whose sum is σ = 124371362. Its totient is φ = 124371360.

The previous prime is 124371347. The next prime is 124371383. The reversal of 124371361 is 163173421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122323600 + 2047761 = 11060^2 + 1431^2 .

It is an emirp because it is prime and its reverse (163173421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124371361 - 25 = 124371329 is a prime.

It is not a weakly prime, because it can be changed into another prime (124371311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62185680 + 62185681.

It is an arithmetic number, because the mean of its divisors is an integer number (62185681).

Almost surely, 2124371361 is an apocalyptic number.

It is an amenable number.

124371361 is a deficient number, since it is larger than the sum of its proper divisors (1).

124371361 is an equidigital number, since it uses as much as digits as its factorization.

124371361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 28.

The square root of 124371361 is about 11152.1908609923. The cubic root of 124371361 is about 499.1604056183.

The spelling of 124371361 in words is "one hundred twenty-four million, three hundred seventy-one thousand, three hundred sixty-one".