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125002231 is a prime number
BaseRepresentation
bin1110111001101…
…10000111110111
322201012202211021
413130312013313
5224000032411
620223122011
73045333664
oct734660767
9281182737
10125002231
1164619032
1235a43307
131cb88a23
141285ca6b
15ae92a71
hex77361f7

125002231 has 2 divisors, whose sum is σ = 125002232. Its totient is φ = 125002230.

The previous prime is 125002223. The next prime is 125002271. The reversal of 125002231 is 132200521.

It is a weak prime.

It is an emirp because it is prime and its reverse (132200521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125002231 - 23 = 125002223 is a prime.

It is a super-2 number, since 2×1250022312 = 31251115509954722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125002211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62501115 + 62501116.

It is an arithmetic number, because the mean of its divisors is an integer number (62501116).

Almost surely, 2125002231 is an apocalyptic number.

125002231 is a deficient number, since it is larger than the sum of its proper divisors (1).

125002231 is an equidigital number, since it uses as much as digits as its factorization.

125002231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 125002231 is about 11180.4396604069. The cubic root of 125002231 is about 500.0029746490.

Adding to 125002231 its reverse (132200521), we get a palindrome (257202752).

The spelling of 125002231 in words is "one hundred twenty-five million, two thousand, two hundred thirty-one".