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124974401 is a prime number
BaseRepresentation
bin1110111001011…
…11010101000001
322201011100122112
413130233111001
5223443140101
620222345105
73045156566
oct734572501
9281140575
10124974401
11645aa132
1235a2b195
131cb79166
141285286d
15ae896bb
hex772f541

124974401 has 2 divisors, whose sum is σ = 124974402. Its totient is φ = 124974400.

The previous prime is 124974391. The next prime is 124974403. The reversal of 124974401 is 104479421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119333776 + 5640625 = 10924^2 + 2375^2 .

It is a cyclic number.

It is not a de Polignac number, because 124974401 - 214 = 124958017 is a prime.

Together with 124974403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124974403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62487200 + 62487201.

It is an arithmetic number, because the mean of its divisors is an integer number (62487201).

Almost surely, 2124974401 is an apocalyptic number.

It is an amenable number.

124974401 is a deficient number, since it is larger than the sum of its proper divisors (1).

124974401 is an equidigital number, since it uses as much as digits as its factorization.

124974401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 124974401 is about 11179.1950067972. The cubic root of 124974401 is about 499.9658656697.

The spelling of 124974401 in words is "one hundred twenty-four million, nine hundred seventy-four thousand, four hundred one".