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125112461 = 790715823
BaseRepresentation
bin1110111010100…
…01000010001101
322201102101000212
413131101002031
5224012044321
620225332205
73046303235
oct735210215
9281371025
10125112461
1164693931
1235a97065
131cbc6c56
141288acc5
15aeb555b
hex775108d

125112461 has 4 divisors (see below), whose sum is σ = 125136192. Its totient is φ = 125088732.

The previous prime is 125112451. The next prime is 125112523. The reversal of 125112461 is 164211521.

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 a cyclic number.

It is not a de Polignac number, because 125112461 - 222 = 120918157 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 (125112451) 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, 5 + ... + 15818.

It is an arithmetic number, because the mean of its divisors is an integer number (31284048).

Almost surely, 2125112461 is an apocalyptic number.

It is an amenable number.

125112461 is a deficient number, since it is larger than the sum of its proper divisors (23731).

125112461 is an equidigital number, since it uses as much as digits as its factorization.

125112461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23730.

The product of its digits is 480, while the sum is 23.

The square root of 125112461 is about 11185.3681655992. The cubic root of 125112461 is about 500.1499030537.

Adding to 125112461 its reverse (164211521), we get a palindrome (289323982).

The spelling of 125112461 in words is "one hundred twenty-five million, one hundred twelve thousand, four hundred sixty-one".

Divisors: 1 7907 15823 125112461