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124297997 is a prime number
BaseRepresentation
bin1110110100010…
…10001100001101
322122212222210112
413122022030031
5223310013442
620200045405
73036341555
oct732121415
9278788715
10124297997
1164187a1a
1235763865
131c9a0315
1412718165
15ada4082
hex768a30d

124297997 has 2 divisors, whose sum is σ = 124297998. Its totient is φ = 124297996.

The previous prime is 124297991. The next prime is 124298063. The reversal of 124297997 is 799792421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115648516 + 8649481 = 10754^2 + 2941^2 .

It is a cyclic number.

It is not a de Polignac number, because 124297997 - 210 = 124296973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124297991) 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, 62148998 + 62148999.

It is an arithmetic number, because the mean of its divisors is an integer number (62148999).

Almost surely, 2124297997 is an apocalyptic number.

It is an amenable number.

124297997 is a deficient number, since it is larger than the sum of its proper divisors (1).

124297997 is an equidigital number, since it uses as much as digits as its factorization.

124297997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 50.

The square root of 124297997 is about 11148.9011566163. The cubic root of 124297997 is about 499.0622383056.

The spelling of 124297997 in words is "one hundred twenty-four million, two hundred ninety-seven thousand, nine hundred ninety-seven".