Search a number
-
+
121292061 = 3118634259
BaseRepresentation
bin1110011101011…
…00010100011101
322110020021102120
413032230110131
5222022321221
620011413153
73001652112
oct716542435
9273207376
10121292061
1162514580
12347541b9
131c18a067
1412174909
15a9ad5c6
hex73ac51d

121292061 has 16 divisors (see below), whose sum is σ = 176670720. Its totient is φ = 73407920.

The previous prime is 121292033. The next prime is 121292089. The reversal of 121292061 is 160292121.

It is an interprime number because it is at equal distance from previous prime (121292033) and next prime (121292089).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121292061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121292021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26350 + ... + 30608.

It is an arithmetic number, because the mean of its divisors is an integer number (11041920).

Almost surely, 2121292061 is an apocalyptic number.

121292061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121292061 is a deficient number, since it is larger than the sum of its proper divisors (55378659).

121292061 is a wasteful number, since it uses less digits than its factorization.

121292061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5136.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 121292061 is about 11013.2674987944. The cubic root of 121292061 is about 495.0063747776.

The spelling of 121292061 in words is "one hundred twenty-one million, two hundred ninety-two thousand, sixty-one".

Divisors: 1 3 11 33 863 2589 4259 9493 12777 28479 46849 140547 3675517 11026551 40430687 121292061