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124220741 is a prime number
BaseRepresentation
bin1110110011101…
…11010101000101
322122202001211012
413121313111011
5223300030431
620154252005
73035600411
oct731672505
9278661735
10124220741
1164134977
1235727005
131c9740c8
14126d7d41
15ad8b22b
hex7677545

124220741 has 2 divisors, whose sum is σ = 124220742. Its totient is φ = 124220740.

The previous prime is 124220713. The next prime is 124220743. The reversal of 124220741 is 147022421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107039716 + 17181025 = 10346^2 + 4145^2 .

It is a cyclic number.

It is not a de Polignac number, because 124220741 - 210 = 124219717 is a prime.

Together with 124220743, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124220743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62110370 + 62110371.

It is an arithmetic number, because the mean of its divisors is an integer number (62110371).

Almost surely, 2124220741 is an apocalyptic number.

It is an amenable number.

124220741 is a deficient number, since it is larger than the sum of its proper divisors (1).

124220741 is an equidigital number, since it uses as much as digits as its factorization.

124220741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 124220741 is about 11145.4358820102. The cubic root of 124220741 is about 498.9588213992.

The spelling of 124220741 in words is "one hundred twenty-four million, two hundred twenty thousand, seven hundred forty-one".