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122802128 = 2459130087
BaseRepresentation
bin1110101000111…
…00111111010000
322120001222211222
413110130333100
5222414132003
620104024212
73020541461
oct724347720
9276058758
10122802128
1163356069
1235162068
131c5984a7
1412448d68
15abaac38
hex751cfd0

122802128 has 20 divisors (see below), whose sum is σ = 241963680. Its totient is φ = 60359904.

The previous prime is 122802091. The next prime is 122802137. The reversal of 122802128 is 821208221.

It is a junction number, because it is equal to n+sod(n) for n = 122802097 and 122802106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64100 + ... + 65987.

It is an arithmetic number, because the mean of its divisors is an integer number (12098184).

Almost surely, 2122802128 is an apocalyptic number.

It is an amenable number.

122802128 is a deficient number, since it is larger than the sum of its proper divisors (119161552).

122802128 is a wasteful number, since it uses less digits than its factorization.

122802128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130154 (or 130148 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 122802128 is about 11081.6121570826. The cubic root of 122802128 is about 497.0521586171.

The spelling of 122802128 in words is "one hundred twenty-two million, eight hundred two thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 59 118 236 472 944 130087 260174 520348 1040696 2081392 7675133 15350266 30700532 61401064 122802128