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125836061 = 1347205951
BaseRepresentation
bin1111000000000…
…01101100011101
322202210010121212
413200001230131
5224203223221
620253034205
73055405661
oct740015435
9282703555
10125836061
116503854a
1236185965
13200bb410
14129d88a1
15b0a9b5b
hex7801b1d

125836061 has 8 divisors (see below), whose sum is σ = 138399744. Its totient is φ = 113684400.

The previous prime is 125836049. The next prime is 125836079. The reversal of 125836061 is 160638521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-125836061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125836661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102365 + ... + 103586.

It is an arithmetic number, because the mean of its divisors is an integer number (17299968).

Almost surely, 2125836061 is an apocalyptic number.

It is an amenable number.

125836061 is a deficient number, since it is larger than the sum of its proper divisors (12563683).

125836061 is a wasteful number, since it uses less digits than its factorization.

125836061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206011.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 125836061 is about 11217.6673600174. The cubic root of 125836061 is about 501.1122718679.

The spelling of 125836061 in words is "one hundred twenty-five million, eight hundred thirty-six thousand, sixty-one".

Divisors: 1 13 47 611 205951 2677363 9679697 125836061