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104587121 = 973910739
BaseRepresentation
bin1100011101111…
…01111101110001
321021210120120002
412032331331301
5203233241441
614213355345
72406655502
oct616757561
9237716502
10104587121
1154044941
122b038b55
131888b692
14dc66ba9
1592adb9b
hex63bdf71

104587121 has 4 divisors (see below), whose sum is σ = 104607600. Its totient is φ = 104566644.

The previous prime is 104587099. The next prime is 104587129. The reversal of 104587121 is 121785401.

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 104587121 - 226 = 37478257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104587129) 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, 4370 + ... + 15108.

It is an arithmetic number, because the mean of its divisors is an integer number (26151900).

Almost surely, 2104587121 is an apocalyptic number.

It is an amenable number.

104587121 is a deficient number, since it is larger than the sum of its proper divisors (20479).

104587121 is an equidigital number, since it uses as much as digits as its factorization.

104587121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20478.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 104587121 is about 10226.7844897602. The cubic root of 104587121 is about 471.1502248738.

The spelling of 104587121 in words is "one hundred four million, five hundred eighty-seven thousand, one hundred twenty-one".

Divisors: 1 9739 10739 104587121