Search a number
-
+
121200414 = 23131271569
BaseRepresentation
bin1110011100101…
…01111100011110
322110001121201020
413032111330132
5222011403124
620005425010
73001120656
oct716257436
9273047636
10121200414
1162461735
123470b166
131c15742a
141214d366
15a991379
hex7395f1e

121200414 has 32 divisors (see below), whose sum is σ = 245583360. Its totient is φ = 39873600.

The previous prime is 121200413. The next prime is 121200439. The reversal of 121200414 is 414002121.

It is a junction number, because it is equal to n+sod(n) for n = 121200393 and 121200402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121200413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212722 + ... + 213290.

It is an arithmetic number, because the mean of its divisors is an integer number (7674480).

Almost surely, 2121200414 is an apocalyptic number.

121200414 is an abundant number, since it is smaller than the sum of its proper divisors (124382946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121200414 is a wasteful number, since it uses less digits than its factorization.

121200414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 121200414 is about 11009.1059582511. The cubic root of 121200414 is about 494.8816695011.

Adding to 121200414 its reverse (414002121), we get a palindrome (535202535).

The spelling of 121200414 in words is "one hundred twenty-one million, two hundred thousand, four hundred fourteen".

Divisors: 1 2 3 6 131 262 271 393 542 569 786 813 1138 1626 1707 3414 35501 71002 74539 106503 149078 154199 213006 223617 308398 447234 462597 925194 20200069 40400138 60600207 121200414