Base | Representation |
---|---|
bin | 1110111101001… |
… | …01111000100001 |
3 | 22202002000202201 |
4 | 13132211320201 |
5 | 224104210001 |
6 | 20241013201 |
7 | 3052251412 |
oct | 736457041 |
9 | 282060681 |
10 | 125460001 |
11 | 64900a57 |
12 | 36024201 |
13 | 1ccb91b4 |
14 | 1293b809 |
15 | b033501 |
hex | 77a5e21 |
125460001 has 4 divisors (see below), whose sum is σ = 125505792. Its totient is φ = 125414212.
The previous prime is 125459993. The next prime is 125460047. The reversal of 125460001 is 100064521.
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, and also an emirpimes, since its reverse is a distinct semiprime: 100064521 = 97 ⋅1031593.
It is a cyclic number.
It is not a de Polignac number, because 125460001 - 23 = 125459993 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (125460301) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18505 + ... + 24358.
It is an arithmetic number, because the mean of its divisors is an integer number (31376448).
Almost surely, 2125460001 is an apocalyptic number.
It is an amenable number.
125460001 is a deficient number, since it is larger than the sum of its proper divisors (45791).
125460001 is an equidigital number, since it uses as much as digits as its factorization.
125460001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45790.
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 125460001 is about 11200.8928661960. The cubic root of 125460001 is about 500.6125838422.
The spelling of 125460001 in words is "one hundred twenty-five million, four hundred sixty thousand, one".
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