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122200153 = 198377489
BaseRepresentation
bin1110100100010…
…10000001011001
322111221102002121
413102022001121
5222240401103
620043101241
73012453445
oct722120131
9274842077
10122200153
1162a84869
1234b11821
131c4174aa
141232d825
15aadc6bd
hex748a059

122200153 has 8 divisors (see below), whose sum is σ = 130183200. Its totient is φ = 114372288.

The previous prime is 122200087. The next prime is 122200157. The reversal of 122200153 is 351002221.

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 122200153 - 213 = 122191961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122200157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37168 + ... + 40321.

It is an arithmetic number, because the mean of its divisors is an integer number (16272900).

Almost surely, 2122200153 is an apocalyptic number.

It is an amenable number.

122200153 is a deficient number, since it is larger than the sum of its proper divisors (7983047).

122200153 is an equidigital number, since it uses as much as digits as its factorization.

122200153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77591.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 122200153 is about 11054.4178046607. The cubic root of 122200153 is about 496.2386460527.

Adding to 122200153 its reverse (351002221), we get a palindrome (473202374).

The spelling of 122200153 in words is "one hundred twenty-two million, two hundred thousand, one hundred fifty-three".

Divisors: 1 19 83 1577 77489 1472291 6431587 122200153