Search a number
-
+
125306801 is a prime number
BaseRepresentation
bin1110111100000…
…00011110110001
322201210020121122
413132000132301
5224034304201
620233432025
73051042644
oct736003661
9281706548
10125306801
1164806944
1235b6b615
131cc64549
14128dba5b
15b002e1b
hex77807b1

125306801 has 2 divisors, whose sum is σ = 125306802. Its totient is φ = 125306800.

The previous prime is 125306791. The next prime is 125306807. The reversal of 125306801 is 108603521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119924401 + 5382400 = 10951^2 + 2320^2 .

It is a cyclic number.

It is not a de Polignac number, because 125306801 - 210 = 125305777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125306807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62653400 + 62653401.

It is an arithmetic number, because the mean of its divisors is an integer number (62653401).

Almost surely, 2125306801 is an apocalyptic number.

It is an amenable number.

125306801 is a deficient number, since it is larger than the sum of its proper divisors (1).

125306801 is an equidigital number, since it uses as much as digits as its factorization.

125306801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 125306801 is about 11194.0520366845. The cubic root of 125306801 is about 500.4087337823.

The spelling of 125306801 in words is "one hundred twenty-five million, three hundred six thousand, eight hundred one".