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122655625 = 544432
BaseRepresentation
bin1110100111110…
…01001110001001
322112210112212221
413103321032021
5222344440000
620100534041
73016361401
oct723711611
9275715787
10122655625
1163265a94
12350b1321
131c5468c1
141240b801
15ab7c61a
hex74f9389

122655625 has 15 divisors (see below), whose sum is σ = 153617233. Its totient is φ = 97903000.

The previous prime is 122655607. The next prime is 122655647. The reversal of 122655625 is 526556221.

The square root of 122655625 is 11075.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 9616201 + 113039424 = 3101^2 + 10632^2 .

It is not a de Polignac number, because 122655625 - 27 = 122655497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 276654 + ... + 277096.

Almost surely, 2122655625 is an apocalyptic number.

122655625 is the 11075-th square number.

122655625 is the 5538-th centered octagonal number.

It is an amenable number.

122655625 is a deficient number, since it is larger than the sum of its proper divisors (30961608).

122655625 is an frugal number, since it uses more digits than its factorization.

122655625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 448 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The cubic root of 122655625 is about 496.8544188039.

The spelling of 122655625 in words is "one hundred twenty-two million, six hundred fifty-five thousand, six hundred twenty-five".

Divisors: 1 5 25 125 443 625 2215 11075 55375 196249 276875 981245 4906225 24531125 122655625