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125794901 is a prime number
BaseRepresentation
bin1110111111101…
…11101001010101
322202201001011102
413133313221111
5224200414101
620252115445
73055144661
oct737675125
9282631142
10125794901
116500a631
1236165b85
13200a576b
14129c78a1
15b09c86b
hex77f7a55

125794901 has 2 divisors, whose sum is σ = 125794902. Its totient is φ = 125794900.

The previous prime is 125794859. The next prime is 125794913. The reversal of 125794901 is 109497521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111724900 + 14070001 = 10570^2 + 3751^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-125794901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125791901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62897450 + 62897451.

It is an arithmetic number, because the mean of its divisors is an integer number (62897451).

Almost surely, 2125794901 is an apocalyptic number.

It is an amenable number.

125794901 is a deficient number, since it is larger than the sum of its proper divisors (1).

125794901 is an equidigital number, since it uses as much as digits as its factorization.

125794901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 125794901 is about 11215.8326039577. The cubic root of 125794901 is about 501.0576292633.

The spelling of 125794901 in words is "one hundred twenty-five million, seven hundred ninety-four thousand, nine hundred one".