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126232201 is a prime number
BaseRepresentation
bin1111000011000…
…10011010001001
322210112021000201
413201202122021
5224303412301
620305332201
73061645624
oct741423211
9283467021
10126232201
1165289137
1236337061
13201c9814
1412a9cdbb
15b137201
hex7862689

126232201 has 2 divisors, whose sum is σ = 126232202. Its totient is φ = 126232200.

The previous prime is 126232199. The next prime is 126232207. The reversal of 126232201 is 102232621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74046025 + 52186176 = 8605^2 + 7224^2 .

It is a cyclic number.

It is not a de Polignac number, because 126232201 - 21 = 126232199 is a prime.

Together with 126232199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (126232207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63116100 + 63116101.

It is an arithmetic number, because the mean of its divisors is an integer number (63116101).

Almost surely, 2126232201 is an apocalyptic number.

It is an amenable number.

126232201 is a deficient number, since it is larger than the sum of its proper divisors (1).

126232201 is an equidigital number, since it uses as much as digits as its factorization.

126232201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 126232201 is about 11235.3104540996. The cubic root of 126232201 is about 501.6375655696.

Adding to 126232201 its reverse (102232621), we get a palindrome (228464822).

The spelling of 126232201 in words is "one hundred twenty-six million, two hundred thirty-two thousand, two hundred one".