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122136325 = 5223212411
BaseRepresentation
bin1110100011110…
…10011100000101
322111211011112121
413101322130011
5222231330300
620041445541
73012066403
oct721723405
9274734477
10122136325
1162a40913
1234aa08b1
131c3c441c
1412314473
15aac881a
hex747a705

122136325 has 12 divisors (see below), whose sum is σ = 158034528. Its totient is φ = 93460400.

The previous prime is 122136317. The next prime is 122136331. The reversal of 122136325 is 523631221.

It is not a de Polignac number, because 122136325 - 23 = 122136317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122136325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105631 + ... + 106780.

It is an arithmetic number, because the mean of its divisors is an integer number (13169544).

Almost surely, 2122136325 is an apocalyptic number.

It is an amenable number.

122136325 is a deficient number, since it is larger than the sum of its proper divisors (35898203).

122136325 is a wasteful number, since it uses less digits than its factorization.

122136325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212444 (or 212439 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 122136325 is about 11051.5304370028. The cubic root of 122136325 is about 496.1522319859.

Adding to 122136325 its reverse (523631221), we get a palindrome (645767546).

The spelling of 122136325 in words is "one hundred twenty-two million, one hundred thirty-six thousand, three hundred twenty-five".

Divisors: 1 5 23 25 115 575 212411 1062055 4885453 5310275 24427265 122136325