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122031132 = 22393710853
BaseRepresentation
bin1110100011000…
…00110000011100
322111121211020120
413101200300130
5222214444012
620035314540
73011150616
oct721406034
9274554216
10122031132
1162979883
1234a4ba50
131c388592
14122c7db6
15aaa758c
hex7460c1c

122031132 has 24 divisors (see below), whose sum is σ = 285069456. Its totient is φ = 40629888.

The previous prime is 122031131. The next prime is 122031137. The reversal of 122031132 is 231130221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122031131) 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, 5818 + ... + 16670.

It is an arithmetic number, because the mean of its divisors is an integer number (11877894).

Almost surely, 2122031132 is an apocalyptic number.

122031132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122031132 is an abundant number, since it is smaller than the sum of its proper divisors (163038324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122031132 is a wasteful number, since it uses less digits than its factorization.

122031132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11797 (or 11795 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 122031132 is about 11046.7702067165. The cubic root of 122031132 is about 496.0097498517.

Adding to 122031132 its reverse (231130221), we get a palindrome (353161353).

The spelling of 122031132 in words is "one hundred twenty-two million, thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 937 1874 2811 3748 5622 10853 11244 21706 32559 43412 65118 130236 10169261 20338522 30507783 40677044 61015566 122031132