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125242997 = 1143126417
BaseRepresentation
bin1110111011100…
…00111001110101
322201200000002112
413131300321311
5224030233442
620232220405
73050355635
oct735607165
9281600075
10125242997
1164772a10
1235b3a705
131cc414a9
14128c26c5
15aede082
hex7770e75

125242997 has 8 divisors (see below), whose sum is σ = 136950912. Its totient is φ = 113588800.

The previous prime is 125242973. The next prime is 125243021. The reversal of 125242997 is 799242521.

It is an interprime number because it is at equal distance from previous prime (125242973) and next prime (125243021).

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 125242997 - 212 = 125238901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125232997) 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 in 7 ways as a sum of consecutive naturals, for example, 8468 + ... + 17949.

It is an arithmetic number, because the mean of its divisors is an integer number (17118864).

Almost surely, 2125242997 is an apocalyptic number.

It is an amenable number.

125242997 is a deficient number, since it is larger than the sum of its proper divisors (11707915).

125242997 is a wasteful number, since it uses less digits than its factorization.

125242997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26859.

The product of its digits is 90720, while the sum is 41.

The square root of 125242997 is about 11191.2017674600. The cubic root of 125242997 is about 500.3237862796.

The spelling of 125242997 in words is "one hundred twenty-five million, two hundred forty-two thousand, nine hundred ninety-seven".

Divisors: 1 11 431 4741 26417 290587 11385727 125242997