Search a number
-
+
121275069 = 3311304033
BaseRepresentation
bin1110011101010…
…00001010111101
322110012102010020
413032220022331
5222021300234
620011202353
73001551426
oct716501275
9273172106
10121275069
1162502833
12347463b9
131c1823c6
141216c64d
15a9a8549
hex73a82bd

121275069 has 8 divisors (see below), whose sum is σ = 166916352. Its totient is φ = 78241920.

The previous prime is 121275061. The next prime is 121275083. The reversal of 121275069 is 960572121.

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

It is not a de Polignac number, because 121275069 - 23 = 121275061 is a prime.

It is a super-2 number, since 2×1212750692 = 29415284721909522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121275061) 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, 651924 + ... + 652109.

It is an arithmetic number, because the mean of its divisors is an integer number (20864544).

Almost surely, 2121275069 is an apocalyptic number.

It is an amenable number.

121275069 is a deficient number, since it is larger than the sum of its proper divisors (45641283).

121275069 is a wasteful number, since it uses less digits than its factorization.

121275069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304067.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 121275069 is about 11012.4960385918. The cubic root of 121275069 is about 494.9832582849.

The spelling of 121275069 in words is "one hundred twenty-one million, two hundred seventy-five thousand, sixty-nine".

Divisors: 1 3 31 93 1304033 3912099 40425023 121275069