Search a number
-
+
125765101 = 7112148483
BaseRepresentation
bin1110111111100…
…00010111101101
322202122112021201
413133300113231
5224143440401
620251325501
73054662050
oct737602755
9282575251
10125765101
1164a9a200
1236150891
1320095027
14129baa97
15b093b01
hex77f05ed

125765101 has 12 divisors (see below), whose sum is σ = 157986976. Its totient is φ = 97998120.

The previous prime is 125765093. The next prime is 125765113. The reversal of 125765101 is 101567521.

It is not a de Polignac number, because 125765101 - 23 = 125765093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125765101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125765191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73395 + ... + 75088.

Almost surely, 2125765101 is an apocalyptic number.

125765101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125765101 is a deficient number, since it is larger than the sum of its proper divisors (32221875).

125765101 is a wasteful number, since it uses less digits than its factorization.

125765101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148512 (or 148501 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 125765101 is about 11214.5040461003. The cubic root of 125765101 is about 501.0180603660.

The spelling of 125765101 in words is "one hundred twenty-five million, seven hundred sixty-five thousand, one hundred one".

Divisors: 1 7 11 77 121 847 148483 1039381 1633313 11433191 17966443 125765101