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121102404 = 22319152837
BaseRepresentation
bin1110011011111…
…10000001000100
322102212122021020
413031332001010
5222000234104
620003351140
73000232143
oct715760104
9272778236
10121102404
11623a5035
12346824b0
131c121937
141212575a
15a9722d9
hex737e044

121102404 has 24 divisors (see below), whose sum is σ = 284057088. Its totient is φ = 40155360.

The previous prime is 121102393. The next prime is 121102411. The reversal of 121102404 is 404201121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24127 + ... + 28710.

It is an arithmetic number, because the mean of its divisors is an integer number (11835712).

Almost surely, 2121102404 is an apocalyptic number.

It is an amenable number.

121102404 is an abundant number, since it is smaller than the sum of its proper divisors (162954684).

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

121102404 is a wasteful number, since it uses less digits than its factorization.

121102404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53035 (or 53033 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 121102404 is about 11004.6537428490. The cubic root of 121102404 is about 494.7482364240.

Adding to 121102404 its reverse (404201121), we get a palindrome (525303525).

The spelling of 121102404 in words is "one hundred twenty-one million, one hundred two thousand, four hundred four".

Divisors: 1 2 3 4 6 12 191 382 573 764 1146 2292 52837 105674 158511 211348 317022 634044 10091867 20183734 30275601 40367468 60551202 121102404