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122900075 = 5219258737
BaseRepresentation
bin1110101001101…
…00111001101011
322120020222012122
413110310321223
5222430300300
620110101455
73021430154
oct724647153
9276228178
10122900075
1163412711
12351aa88b
131c600c4c
141247292b
15abc9c85
hex7534e6b

122900075 has 12 divisors (see below), whose sum is σ = 160417560. Its totient is φ = 93144960.

The previous prime is 122900069. The next prime is 122900087. The reversal of 122900075 is 570009221.

It is not a de Polignac number, because 122900075 - 212 = 122895979 is a prime.

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, 128894 + ... + 129843.

It is an arithmetic number, because the mean of its divisors is an integer number (13368130).

Almost surely, 2122900075 is an apocalyptic number.

122900075 is a deficient number, since it is larger than the sum of its proper divisors (37517485).

122900075 is a wasteful number, since it uses less digits than its factorization.

122900075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258766 (or 258761 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 122900075 is about 11086.0306241684. The cubic root of 122900075 is about 497.1842731297.

Adding to 122900075 its reverse (570009221), we get a palindrome (692909296).

The spelling of 122900075 in words is "one hundred twenty-two million, nine hundred thousand, seventy-five".

Divisors: 1 5 19 25 95 475 258737 1293685 4916003 6468425 24580015 122900075