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125330449 is a prime number
BaseRepresentation
bin1110111100001…
…10010000010001
322201211110001111
413132012100101
5224041033244
620234133321
73051201616
oct736062021
9281743044
10125330449
1164822692
1235b81241
131cc7223a
141290650d
15b009e34
hex7786411

125330449 has 2 divisors, whose sum is σ = 125330450. Its totient is φ = 125330448.

The previous prime is 125330411. The next prime is 125330483. The reversal of 125330449 is 944033521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100400400 + 24930049 = 10020^2 + 4993^2 .

It is an emirp because it is prime and its reverse (944033521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125330449 - 27 = 125330321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125330449.

It is not a weakly prime, because it can be changed into another prime (125331449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62665224 + 62665225.

It is an arithmetic number, because the mean of its divisors is an integer number (62665225).

Almost surely, 2125330449 is an apocalyptic number.

It is an amenable number.

125330449 is a deficient number, since it is larger than the sum of its proper divisors (1).

125330449 is an equidigital number, since it uses as much as digits as its factorization.

125330449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 125330449 is about 11195.1082620938. The cubic root of 125330449 is about 500.4402109815.

The spelling of 125330449 in words is "one hundred twenty-five million, three hundred thirty thousand, four hundred forty-nine".