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125001113 = 232236297
BaseRepresentation
bin1110111001101…
…01110110011001
322201012201021212
413130311312121
5224000013423
620223112505
73045330506
oct734656631
9281181255
10125001113
1164618206
1235a42735
131cb88373
141285c4ad
15ae92578
hex7735d99

125001113 has 6 divisors (see below), whose sum is σ = 130672794. Its totient is φ = 119565776.

The previous prime is 125001103. The next prime is 125001137. The reversal of 125001113 is 311100521.

It can be written as a sum of positive squares in only one way, i.e., 67043344 + 57957769 = 8188^2 + 7613^2 .

It is not a de Polignac number, because 125001113 - 28 = 125000857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125001103) 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 5 ways as a sum of consecutive naturals, for example, 117620 + ... + 118677.

It is an arithmetic number, because the mean of its divisors is an integer number (21778799).

Almost surely, 2125001113 is an apocalyptic number.

It is an amenable number.

125001113 is a deficient number, since it is larger than the sum of its proper divisors (5671681).

125001113 is an equidigital number, since it uses as much as digits as its factorization.

125001113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236343 (or 236320 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 125001113 is about 11180.3896622613. The cubic root of 125001113 is about 500.0014839956.

Adding to 125001113 its reverse (311100521), we get a palindrome (436101634).

The spelling of 125001113 in words is "one hundred twenty-five million, one thousand, one hundred thirteen".

Divisors: 1 23 529 236297 5434831 125001113