Search a number
-
+
125288287 is a prime number
BaseRepresentation
bin1110111011110…
…11111101011111
322201202022012221
413131323331133
5224033211122
620233210211
73050634655
oct735737537
9281668187
10125288287
11647a3a43
1235b60967
131cc58ca7
14128d4dd5
15aeec6c7
hex777bf5f

125288287 has 2 divisors, whose sum is σ = 125288288. Its totient is φ = 125288286.

The previous prime is 125288279. The next prime is 125288347. The reversal of 125288287 is 782882521.

125288287 is nontrivially palindromic in base 8.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125288287 - 23 = 125288279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125288687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62644143 + 62644144.

It is an arithmetic number, because the mean of its divisors is an integer number (62644144).

Almost surely, 2125288287 is an apocalyptic number.

125288287 is a deficient number, since it is larger than the sum of its proper divisors (1).

125288287 is an equidigital number, since it uses as much as digits as its factorization.

125288287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 143360, while the sum is 43.

The square root of 125288287 is about 11193.2250491089. The cubic root of 125288287 is about 500.3840875446.

The spelling of 125288287 in words is "one hundred twenty-five million, two hundred eighty-eight thousand, two hundred eighty-seven".