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125420827 = 729636047
BaseRepresentation
bin1110111100111…
…00010100011011
322202000001000211
413132130110123
5224101431302
620240111551
73052026250
oct736342433
9282001024
10125420827
1164884584
12360055b7
131cca440c
141292b427
15b026ad7
hex779c51b

125420827 has 8 divisors (see below), whose sum is σ = 143410176. Its totient is φ = 107449512.

The previous prime is 125420821. The next prime is 125420837. The reversal of 125420827 is 728024521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125420827 - 223 = 117032219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125420821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17718 + ... + 23764.

It is an arithmetic number, because the mean of its divisors is an integer number (17926272).

Almost surely, 2125420827 is an apocalyptic number.

125420827 is a deficient number, since it is larger than the sum of its proper divisors (17989349).

125420827 is an equidigital number, since it uses as much as digits as its factorization.

125420827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9017.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 125420827 is about 11199.1440297908. The cubic root of 125420827 is about 500.5604741693.

The spelling of 125420827 in words is "one hundred twenty-five million, four hundred twenty thousand, eight hundred twenty-seven".

Divisors: 1 7 2963 6047 20741 42329 17917261 125420827