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125061897 = 341687299
BaseRepresentation
bin1110111010001…
…00101100001001
322201022210200010
413131010230021
5224003440042
620224302133
73046002642
oct735045411
9281283603
10125061897
1164659944
1235a71949
131cba9c2c
14128766c9
15aea559c
hex7744b09

125061897 has 4 divisors (see below), whose sum is σ = 166749200. Its totient is φ = 83374596.

The previous prime is 125061869. The next prime is 125061917. The reversal of 125061897 is 798160521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 125061897 - 28 = 125061641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125061847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20843647 + ... + 20843652.

It is an arithmetic number, because the mean of its divisors is an integer number (41687300).

Almost surely, 2125061897 is an apocalyptic number.

It is an amenable number.

125061897 is a deficient number, since it is larger than the sum of its proper divisors (41687303).

125061897 is an equidigital number, since it uses as much as digits as its factorization.

125061897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41687302.

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 125061897 is about 11183.1076628994. The cubic root of 125061897 is about 500.0825157149.

The spelling of 125061897 in words is "one hundred twenty-five million, sixty-one thousand, eight hundred ninety-seven".

Divisors: 1 3 41687299 125061897