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124403401 is a prime number
BaseRepresentation
bin1110110101000…
…11111011001001
322200002100101101
413122203323021
5223321402101
620202221401
73040261063
oct732437311
9280070341
10124403401
116424a131
12357b4861
131ca092a5
1412744733
15adc5401
hex76a3ec9

124403401 has 2 divisors, whose sum is σ = 124403402. Its totient is φ = 124403400.

The previous prime is 124403387. The next prime is 124403413. The reversal of 124403401 is 104304421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78854400 + 45549001 = 8880^2 + 6749^2 .

It is a cyclic number.

It is not a de Polignac number, because 124403401 - 25 = 124403369 is a prime.

It is not a weakly prime, because it can be changed into another prime (124403101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62201700 + 62201701.

It is an arithmetic number, because the mean of its divisors is an integer number (62201701).

Almost surely, 2124403401 is an apocalyptic number.

It is an amenable number.

124403401 is a deficient number, since it is larger than the sum of its proper divisors (1).

124403401 is an equidigital number, since it uses as much as digits as its factorization.

124403401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 124403401 is about 11153.6272575338. The cubic root of 124403401 is about 499.2032657701.

Adding to 124403401 its reverse (104304421), we get a palindrome (228707822).

The spelling of 124403401 in words is "one hundred twenty-four million, four hundred three thousand, four hundred one".