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121442301 = 3314930187
BaseRepresentation
bin1110011110100…
…00111111111101
322110111220112000
413033100333331
5222042123201
620014532513
73003146121
oct717207775
9273456460
10121442301
1162607442
1234807139
131c210566
14121b3581
15a9dcd86
hex73d0ffd

121442301 has 16 divisors (see below), whose sum is σ = 181128000. Its totient is φ = 80415504.

The previous prime is 121442297. The next prime is 121442303. The reversal of 121442301 is 103244121.

It is not a de Polignac number, because 121442301 - 22 = 121442297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121442303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11071 + ... + 19116.

It is an arithmetic number, because the mean of its divisors is an integer number (11320500).

Almost surely, 2121442301 is an apocalyptic number.

It is an amenable number.

121442301 is a deficient number, since it is larger than the sum of its proper divisors (59685699).

121442301 is a wasteful number, since it uses less digits than its factorization.

121442301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30345 (or 30339 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 121442301 is about 11020.0862519311. The cubic root of 121442301 is about 495.2106724920.

Adding to 121442301 its reverse (103244121), we get a palindrome (224686422).

The spelling of 121442301 in words is "one hundred twenty-one million, four hundred forty-two thousand, three hundred one".

Divisors: 1 3 9 27 149 447 1341 4023 30187 90561 271683 815049 4497863 13493589 40480767 121442301