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125261000153 is a prime number
BaseRepresentation
bin111010010101000100…
…0110010110111011001
3102222022122200002221222
41310222020302313121
54023013304001103
6133313305541425
712023040635162
oct1645210626731
9388278602858
10125261000153
1149139629433
12203397a4875
13ba7313a503
1460c3d48769
1533d1cb5638
hex1d2a232dd9

125261000153 has 2 divisors, whose sum is σ = 125261000154. Its totient is φ = 125261000152.

The previous prime is 125261000131. The next prime is 125261000173. The reversal of 125261000153 is 351000162521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96852908944 + 28408091209 = 311212^2 + 168547^2 .

It is an emirp because it is prime and its reverse (351000162521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125261000153 - 214 = 125260983769 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (125261000173) 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, 62630500076 + 62630500077.

It is an arithmetic number, because the mean of its divisors is an integer number (62630500077).

Almost surely, 2125261000153 is an apocalyptic number.

It is an amenable number.

125261000153 is a deficient number, since it is larger than the sum of its proper divisors (1).

125261000153 is an equidigital number, since it uses as much as digits as its factorization.

125261000153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 125261000153 its reverse (351000162521), we get a palindrome (476261162674).

The spelling of 125261000153 in words is "one hundred twenty-five billion, two hundred sixty-one million, one hundred fifty-three", and thus it is an aban number.