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125160949 is a prime number
BaseRepresentation
bin1110111010111…
…00110111110101
322201111211112201
413131130313311
5224020122244
620230344501
73046564504
oct735346765
9281454481
10125160949
1164717301
1235abb131
131cc13044
14128a083b
15aec4ad4
hex775cdf5

125160949 has 2 divisors, whose sum is σ = 125160950. Its totient is φ = 125160948.

The previous prime is 125160941. The next prime is 125160977. The reversal of 125160949 is 949061521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99860049 + 25300900 = 9993^2 + 5030^2 .

It is an emirp because it is prime and its reverse (949061521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125160949 - 23 = 125160941 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125160941) 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, 62580474 + 62580475.

It is an arithmetic number, because the mean of its divisors is an integer number (62580475).

Almost surely, 2125160949 is an apocalyptic number.

It is an amenable number.

125160949 is a deficient number, since it is larger than the sum of its proper divisors (1).

125160949 is an equidigital number, since it uses as much as digits as its factorization.

125160949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 125160949 is about 11187.5354301115. The cubic root of 125160949 is about 500.2145066273.

The spelling of 125160949 in words is "one hundred twenty-five million, one hundred sixty thousand, nine hundred forty-nine".