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122133125 = 54195413
BaseRepresentation
bin1110100011110…
…01101010000101
322111211000011002
413101321222011
5222231230000
620041423045
73012054152
oct721715205
9274730132
10122133125
1162a39474
1234a9aa85
131c3c2b2a
1412313229
15aac78d5
hex7479a85

122133125 has 10 divisors (see below), whose sum is σ = 152618334. Its totient is φ = 97706000.

The previous prime is 122133113. The next prime is 122133133. The reversal of 122133125 is 521331221.

It can be written as a sum of positive squares in 5 ways, for example, as 10640644 + 111492481 = 3262^2 + 10559^2 .

It is not a de Polignac number, because 122133125 - 218 = 121870981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122133097 and 122133106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 97082 + ... + 98331.

Almost surely, 2122133125 is an apocalyptic number.

It is an amenable number.

122133125 is a deficient number, since it is larger than the sum of its proper divisors (30485209).

122133125 is an frugal number, since it uses more digits than its factorization.

122133125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195433 (or 195418 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 122133125 is about 11051.3856597261. The cubic root of 122133125 is about 496.1478988469.

Adding to 122133125 its reverse (521331221), we get a palindrome (643464346).

The spelling of 122133125 in words is "one hundred twenty-two million, one hundred thirty-three thousand, one hundred twenty-five".

Divisors: 1 5 25 125 625 195413 977065 4885325 24426625 122133125