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122883397 = 7131350367
BaseRepresentation
bin1110101001100…
…00110101000101
322120020010022221
413110300311011
5222424232042
620105452341
73021330430
oct724606505
9276203287
10122883397
116340112a
12351a10b1
131c5c6490
141246a817
15abc4d67
hex7530d45

122883397 has 8 divisors (see below), whose sum is σ = 151241216. Its totient is φ = 97226352.

The previous prime is 122883391. The next prime is 122883407. The reversal of 122883397 is 793388221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122883397 - 23 = 122883389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122883391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675093 + ... + 675274.

It is an arithmetic number, because the mean of its divisors is an integer number (18905152).

Almost surely, 2122883397 is an apocalyptic number.

It is an amenable number.

122883397 is a deficient number, since it is larger than the sum of its proper divisors (28357819).

122883397 is a wasteful number, since it uses less digits than its factorization.

122883397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350387.

The product of its digits is 145152, while the sum is 43.

The square root of 122883397 is about 11085.2783907307. The cubic root of 122883397 is about 497.1617821903.

The spelling of 122883397 in words is "one hundred twenty-two million, eight hundred eighty-three thousand, three hundred ninety-seven".

Divisors: 1 7 13 91 1350367 9452569 17554771 122883397