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126970253 is a prime number
BaseRepresentation
bin1111001000101…
…10100110001101
322211220202102222
413210112212031
5230001022003
620333225125
73101141444
oct744264615
9284822388
10126970253
11657426a3
12366321a5
13203c7737
1412c11d5b
15b230c38
hex791698d

126970253 has 2 divisors, whose sum is σ = 126970254. Its totient is φ = 126970252.

The previous prime is 126970247. The next prime is 126970307. The reversal of 126970253 is 352079621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126945289 + 24964 = 11267^2 + 158^2 .

It is a cyclic number.

It is not a de Polignac number, because 126970253 - 24 = 126970237 is a prime.

It is a super-2 number, since 2×1269702532 = 32242890293768018, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126970553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63485126 + 63485127.

It is an arithmetic number, because the mean of its divisors is an integer number (63485127).

Almost surely, 2126970253 is an apocalyptic number.

It is an amenable number.

126970253 is a deficient number, since it is larger than the sum of its proper divisors (1).

126970253 is an equidigital number, since it uses as much as digits as its factorization.

126970253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 126970253 is about 11268.1077825871. The cubic root of 126970253 is about 502.6133213068.

The spelling of 126970253 in words is "one hundred twenty-six million, nine hundred seventy thousand, two hundred fifty-three".