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125116801 = 391131991
BaseRepresentation
bin1110111010100…
…10000110000001
322201102120222121
413131102012001
5224012214201
620225404241
73046322005
oct735220601
9281376877
10125116801
1164697117
1235a99681
131cbc8c14
141288c705
15aeb69a1
hex7752181

125116801 has 4 divisors (see below), whose sum is σ = 125152704. Its totient is φ = 125080900.

The previous prime is 125116777. The next prime is 125116807. The reversal of 125116801 is 108611521.

It is a happy number.

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: 108611521 = 176388913.

It is a cyclic number.

It is not a de Polignac number, because 125116801 - 25 = 125116769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125116807) 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, 12085 + ... + 19906.

It is an arithmetic number, because the mean of its divisors is an integer number (31288176).

Almost surely, 2125116801 is an apocalyptic number.

It is an amenable number.

125116801 is a deficient number, since it is larger than the sum of its proper divisors (35903).

125116801 is an equidigital number, since it uses as much as digits as its factorization.

125116801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35902.

The product of its (nonzero) digits is 480, while the sum is 25.

The square root of 125116801 is about 11185.5621673656. The cubic root of 125116801 is about 500.1556861853.

The spelling of 125116801 in words is "one hundred twenty-five million, one hundred sixteen thousand, eight hundred one".

Divisors: 1 3911 31991 125116801