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124747031 is a prime number
BaseRepresentation
bin1110110111101…
…11110100010111
322200201210202102
413123313310113
5223413401111
620213432315
73043221653
oct733676427
9280653672
10124747031
1164464322
123593b69b
131cac9816
14127d3a63
15ae4213b
hex76f7d17

124747031 has 2 divisors, whose sum is σ = 124747032. Its totient is φ = 124747030.

The previous prime is 124746961. The next prime is 124747033. The reversal of 124747031 is 130747421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124747031 - 210 = 124746007 is a prime.

It is a super-2 number, since 2×1247470312 = 31123643486629922, which contains 22 as substring.

Together with 124747033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 124746985 and 124747003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124747033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62373515 + 62373516.

It is an arithmetic number, because the mean of its divisors is an integer number (62373516).

Almost surely, 2124747031 is an apocalyptic number.

124747031 is a deficient number, since it is larger than the sum of its proper divisors (1).

124747031 is an equidigital number, since it uses as much as digits as its factorization.

124747031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 124747031 is about 11169.0210403598. The cubic root of 124747031 is about 499.6624802121.

The spelling of 124747031 in words is "one hundred twenty-four million, seven hundred forty-seven thousand, thirty-one".