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121102023 = 377972997
BaseRepresentation
bin1110011011111…
…01111011000111
322102212121202010
413031331323013
5222000231043
620003345303
73000231060
oct715757307
9272777663
10121102023
11623a4819
1234682233
131c121703
1412125567
15a972133
hex737dec7

121102023 has 16 divisors (see below), whose sum is σ = 186874880. Its totient is φ = 68324256.

The previous prime is 121102021. The next prime is 121102039. The reversal of 121102023 is 320201121.

It is not a de Polignac number, because 121102023 - 21 = 121102021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102021) 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, 34840 + ... + 38157.

It is an arithmetic number, because the mean of its divisors is an integer number (11679680).

Almost surely, 2121102023 is an apocalyptic number.

121102023 is a deficient number, since it is larger than the sum of its proper divisors (65772857).

121102023 is an equidigital number, since it uses as much as digits as its factorization.

121102023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73086.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 121102023 is about 11004.6364319772. The cubic root of 121102023 is about 494.7477175814.

Adding to 121102023 its reverse (320201121), we get a palindrome (441303144).

The spelling of 121102023 in words is "one hundred twenty-one million, one hundred two thousand, twenty-three".

Divisors: 1 3 7 21 79 237 553 1659 72997 218991 510979 1532937 5766763 17300289 40367341 121102023