Search a number
-
+
125012872937 is a prime number
BaseRepresentation
bin111010001101101011…
…0010000111011101001
3102221200100202221102002
41310123112100323221
54022011243413222
6133232523420345
712013635613211
oct1643326207351
9387610687362
10125012872937
1149021564817
122028a6846b5
13ba33902384
14609cdd9241
1533ba101392
hex1d1b590ee9

125012872937 has 2 divisors, whose sum is σ = 125012872938. Its totient is φ = 125012872936.

The previous prime is 125012872931. The next prime is 125012872997. The reversal of 125012872937 is 739278210521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90646757776 + 34366115161 = 301076^2 + 185381^2 .

It is a cyclic number.

It is not a de Polignac number, because 125012872937 - 228 = 124744437481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125012872891 and 125012872900.

It is not a weakly prime, because it can be changed into another prime (125012872931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62506436468 + 62506436469.

It is an arithmetic number, because the mean of its divisors is an integer number (62506436469).

Almost surely, 2125012872937 is an apocalyptic number.

It is an amenable number.

125012872937 is a deficient number, since it is larger than the sum of its proper divisors (1).

125012872937 is an equidigital number, since it uses as much as digits as its factorization.

125012872937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 125012872937 in words is "one hundred twenty-five billion, twelve million, eight hundred seventy-two thousand, nine hundred thirty-seven".