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125675401 is a prime number
BaseRepresentation
bin1110111110110…
…10011110001001
322202110222020111
413133122132021
5224133103101
620245354321
73054136405
oct737323611
9282428214
10125675401
1164a38875
12361089a1
1320063257
1412996105
15b077251
hex77da789

125675401 has 2 divisors, whose sum is σ = 125675402. Its totient is φ = 125675400.

The previous prime is 125675399. The next prime is 125675453. The reversal of 125675401 is 104576521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108659776 + 17015625 = 10424^2 + 4125^2 .

It is a cyclic number.

It is not a de Polignac number, because 125675401 - 21 = 125675399 is a prime.

Together with 125675399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (125675471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62837700 + 62837701.

It is an arithmetic number, because the mean of its divisors is an integer number (62837701).

Almost surely, 2125675401 is an apocalyptic number.

It is an amenable number.

125675401 is a deficient number, since it is larger than the sum of its proper divisors (1).

125675401 is an equidigital number, since it uses as much as digits as its factorization.

125675401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 125675401 is about 11210.5040475440. The cubic root of 125675401 is about 500.8989175925.

The spelling of 125675401 in words is "one hundred twenty-five million, six hundred seventy-five thousand, four hundred one".