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121017029 = 729596143
BaseRepresentation
bin1110011011010…
…01001011000101
322102201022011012
413031221023011
5221440021104
620001452005
72666425220
oct715511305
9272638135
10121017029
1162346981
1234641005
131c0c1b13
14121025b7
15a956d6e
hex73692c5

121017029 has 8 divisors (see below), whose sum is σ = 143074560. Its totient is φ = 100151856.

The previous prime is 121016989. The next prime is 121017031. The reversal of 121017029 is 920710121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121017029 - 224 = 104239813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121016995 and 121017013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121017059) 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, 297869 + ... + 298274.

It is an arithmetic number, because the mean of its divisors is an integer number (17884320).

Almost surely, 2121017029 is an apocalyptic number.

It is an amenable number.

121017029 is a deficient number, since it is larger than the sum of its proper divisors (22057531).

121017029 is an equidigital number, since it uses as much as digits as its factorization.

121017029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596179.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 121017029 is about 11000.7740182225. The cubic root of 121017029 is about 494.6319462456.

The spelling of 121017029 in words is "one hundred twenty-one million, seventeen thousand, twenty-nine".

Divisors: 1 7 29 203 596143 4173001 17288147 121017029