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121201230 = 2354040041
BaseRepresentation
bin1110011100101…
…10001001001110
322110001122211110
413032112021032
5222011414410
620005432450
73001123233
oct716261116
9273048743
10121201230
1162462307
123470b726
131c157907
141214d78a
15a991720
hex739624e

121201230 has 16 divisors (see below), whose sum is σ = 290883024. Its totient is φ = 32320320.

The previous prime is 121201229. The next prime is 121201231. The reversal of 121201230 is 32102121.

It is an interprime number because it is at equal distance from previous prime (121201229) and next prime (121201231).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121201231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2019991 + ... + 2020050.

It is an arithmetic number, because the mean of its divisors is an integer number (18180189).

Almost surely, 2121201230 is an apocalyptic number.

121201230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121201230 is an abundant number, since it is smaller than the sum of its proper divisors (169681794).

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

121201230 is a wasteful number, since it uses less digits than its factorization.

121201230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040051.

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

The square root of 121201230 is about 11009.1430184188. The cubic root of 121201230 is about 494.8827801204.

Adding to 121201230 its reverse (32102121), we get a palindrome (153303351).

The spelling of 121201230 in words is "one hundred twenty-one million, two hundred one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4040041 8080082 12120123 20200205 24240246 40400410 60600615 121201230