Search a number
-
+
121660467 = 3155326113
BaseRepresentation
bin1110100000001…
…10010000110011
322110220222210020
413100012100303
5222121113332
620023334523
73005045145
oct720062063
9273828706
10121660467
1162746345
12348b1443
131c288956
141222cc95
15aa3282c
hex7406433

121660467 has 8 divisors (see below), whose sum is σ = 162324624. Its totient is φ = 81051648.

The previous prime is 121660463. The next prime is 121660507. The reversal of 121660467 is 764066121.

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

It is not a de Polignac number, because 121660467 - 22 = 121660463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121660463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8398 + ... + 17715.

It is an arithmetic number, because the mean of its divisors is an integer number (20290578).

Almost surely, 2121660467 is an apocalyptic number.

121660467 is a deficient number, since it is larger than the sum of its proper divisors (40664157).

121660467 is a wasteful number, since it uses less digits than its factorization.

121660467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27669.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 121660467 is about 11029.9803716960. The cubic root of 121660467 is about 495.5070368281.

The spelling of 121660467 in words is "one hundred twenty-one million, six hundred sixty thousand, four hundred sixty-seven".

Divisors: 1 3 1553 4659 26113 78339 40553489 121660467