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1230125415125 = 539841003321
BaseRepresentation
bin10001111001101001001…
…100000011101011010101
311100121011112222202120012
4101321221030003223111
5130123244101241000
62341040052450005
7154605440335445
oct21715114035325
94317145882505
101230125415125
11434769800392
1217a4a6619905
138c000951729
144377749c125
1521ee9839735
hex11e69303ad5

1230125415125 has 8 divisors (see below), whose sum is σ = 1535196518232. Its totient is φ = 984100332000.

The previous prime is 1230125415121. The next prime is 1230125415203. The reversal of 1230125415125 is 5215145210321.

It can be written as a sum of positive squares in 4 ways, for example, as 297846337009 + 932279078116 = 545753^2 + 965546^2 .

It is not a de Polignac number, because 1230125415125 - 22 = 1230125415121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230125415091 and 1230125415100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230125415121) 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, 4920501536 + ... + 4920501785.

It is an arithmetic number, because the mean of its divisors is an integer number (191899564779).

Almost surely, 21230125415125 is an apocalyptic number.

It is an amenable number.

1230125415125 is a deficient number, since it is larger than the sum of its proper divisors (305071103107).

1230125415125 is an frugal number, since it uses more digits than its factorization.

1230125415125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9841003336 (or 9841003326 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 1230125415125 in words is "one trillion, two hundred thirty billion, one hundred twenty-five million, four hundred fifteen thousand, one hundred twenty-five".

Divisors: 1 5 25 125 9841003321 49205016605 246025083025 1230125415125