Search a number
-
+
125131037 is a prime number
BaseRepresentation
bin1110111010101…
…01100100011101
322201110022111212
413131111210131
5224013143122
620225554205
73046411343
oct735254435
9281408455
10125131037
11646a6889
1235aa5965
131cc02545
1412893993
15aebace2
hex775591d

125131037 has 2 divisors, whose sum is σ = 125131038. Its totient is φ = 125131036.

The previous prime is 125130991. The next prime is 125131103. The reversal of 125131037 is 730131521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123187801 + 1943236 = 11099^2 + 1394^2 .

It is a cyclic number.

It is not a de Polignac number, because 125131037 - 212 = 125126941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125133037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62565518 + 62565519.

It is an arithmetic number, because the mean of its divisors is an integer number (62565519).

Almost surely, 2125131037 is an apocalyptic number.

It is an amenable number.

125131037 is a deficient number, since it is larger than the sum of its proper divisors (1).

125131037 is an equidigital number, since it uses as much as digits as its factorization.

125131037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 125131037 is about 11186.1985053011. The cubic root of 125131037 is about 500.1746549842.

Adding to 125131037 its reverse (730131521), we get a palindrome (855262558).

The spelling of 125131037 in words is "one hundred twenty-five million, one hundred thirty-one thousand, thirty-seven".