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121092145127 = 1374192109509
BaseRepresentation
bin111000011000110100…
…1110111111111100111
3102120120010020022221222
41300301221313333213
53440444042121002
6131343504530555
711514530151662
oct1606151677747
9376503208858
10121092145127
114739a3a49a8
121b575620a5b
13b55a5479a5
145c0a3dc6d9
15323acd91a2
hex1c31a77fe7

121092145127 has 8 divisors (see below), whose sum is σ = 122267199600. Its totient is φ = 119921310784.

The previous prime is 121092145117. The next prime is 121092145133. The reversal of 121092145127 is 721541290121.

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

It is a cyclic number.

It is not a de Polignac number, because 121092145127 - 26 = 121092145063 is a prime.

It is a super-2 number, since 2×1210921451272 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121092145117) 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, 997352 + ... + 1112157.

It is an arithmetic number, because the mean of its divisors is an integer number (15283399950).

Almost surely, 2121092145127 is an apocalyptic number.

121092145127 is a deficient number, since it is larger than the sum of its proper divisors (1175054473).

121092145127 is a wasteful number, since it uses less digits than its factorization.

121092145127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110065.

The product of its (nonzero) digits is 10080, while the sum is 35.

The spelling of 121092145127 in words is "one hundred twenty-one billion, ninety-two million, one hundred forty-five thousand, one hundred twenty-seven".

Divisors: 1 137 419 57403 2109509 289002733 883884271 121092145127