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124900669 is a prime number
BaseRepresentation
bin1110111000111…
…01010100111101
322201000121111201
413130131110331
5223433310134
620221015501
73044431615
oct734352475
9281017451
10124900669
11645597a3
12359b4591
131cb5172a
1412833a45
15ae72914
hex771d53d

124900669 has 2 divisors, whose sum is σ = 124900670. Its totient is φ = 124900668.

The previous prime is 124900639. The next prime is 124900691. The reversal of 124900669 is 966009421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124768900 + 131769 = 11170^2 + 363^2 .

It is a cyclic number.

It is not a de Polignac number, because 124900669 - 219 = 124376381 is a prime.

It is a super-2 number, since 2×1249006692 = 31200354233295122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124900609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62450334 + 62450335.

It is an arithmetic number, because the mean of its divisors is an integer number (62450335).

Almost surely, 2124900669 is an apocalyptic number.

It is an amenable number.

124900669 is a deficient number, since it is larger than the sum of its proper divisors (1).

124900669 is an equidigital number, since it uses as much as digits as its factorization.

124900669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 124900669 is about 11175.8967872829. The cubic root of 124900669 is about 499.8675235698.

The spelling of 124900669 in words is "one hundred twenty-four million, nine hundred thousand, six hundred sixty-nine".