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122030 = 2512203
BaseRepresentation
bin11101110010101110
320012101122
4131302232
512401110
62340542
71015526
oct356256
9205348
10122030
1183757
125a752
134370c
1432686
1526255
hex1dcae

122030 has 8 divisors (see below), whose sum is σ = 219672. Its totient is φ = 48808.

The previous prime is 122029. The next prime is 122033. The reversal of 122030 is 30221.

Adding to 122030 its reverse (30221), we get a palindrome (152251).

Subtracting from 122030 its reverse (30221), we obtain a square (91809 = 3032).

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

It is a junction number, because it is equal to n+sod(n) for n = 121999 and 122017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122033) 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 3 ways as a sum of consecutive naturals, for example, 6092 + ... + 6111.

It is an arithmetic number, because the mean of its divisors is an integer number (27459).

2122030 is an apocalyptic number.

122030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122030 is a deficient number, since it is larger than the sum of its proper divisors (97642).

122030 is a wasteful number, since it uses less digits than its factorization.

122030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12210.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 122030 is about 349.3279261668. The cubic root of 122030 is about 49.6008216132.

The spelling of 122030 in words is "one hundred twenty-two thousand, thirty".

Divisors: 1 2 5 10 12203 24406 61015 122030