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121024101 = 31128312959
BaseRepresentation
bin1110011011010…
…10111001100101
322102201122212010
413031222321211
5221440232401
620001544433
72666454642
oct715527145
9272648763
10121024101
1162351220
1234645119
131c0c50c3
1412104dc9
15a958ed6
hex736ae65

121024101 has 16 divisors (see below), whose sum is σ = 176670720. Its totient is φ = 73083120.

The previous prime is 121024097. The next prime is 121024121. The reversal of 121024101 is 101420121.

It is a happy number.

It is not a de Polignac number, because 121024101 - 22 = 121024097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121024121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2860 + ... + 15818.

It is an arithmetic number, because the mean of its divisors is an integer number (11041920).

Almost surely, 2121024101 is an apocalyptic number.

121024101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121024101 is a deficient number, since it is larger than the sum of its proper divisors (55646619).

121024101 is a wasteful number, since it uses less digits than its factorization.

121024101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13256.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 121024101 is about 11001.0954454545. The cubic root of 121024101 is about 494.6415811678.

Adding to 121024101 its reverse (101420121), we get a palindrome (222444222).

The spelling of 121024101 in words is "one hundred twenty-one million, twenty-four thousand, one hundred one".

Divisors: 1 3 11 33 283 849 3113 9339 12959 38877 142549 427647 3667397 11002191 40341367 121024101