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121041224 = 23178310723
BaseRepresentation
bin1110011011011…
…11000101001000
322102202112100022
413031233011020
5221441304344
620002200012
72666555603
oct715570510
9272675308
10121041224
1162363077
1234653008
131c0ccb35
141210b33a
15a95e0ee
hex736f148

121041224 has 32 divisors (see below), whose sum is σ = 243220320. Its totient is φ = 56269056.

The previous prime is 121041223. The next prime is 121041251. The reversal of 121041224 is 422140121.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (121041223) 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, 5927 + ... + 16649.

It is an arithmetic number, because the mean of its divisors is an integer number (7600635).

Almost surely, 2121041224 is an apocalyptic number.

It is an amenable number.

121041224 is an abundant number, since it is smaller than the sum of its proper divisors (122179096).

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

121041224 is a wasteful number, since it uses less digits than its factorization.

121041224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10829 (or 10825 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 121041224 is about 11001.8736586092. The cubic root of 121041224 is about 494.6649080597.

Adding to 121041224 its reverse (422140121), we get a palindrome (543181345).

The spelling of 121041224 in words is "one hundred twenty-one million, forty-one thousand, two hundred twenty-four".

Divisors: 1 2 4 8 17 34 68 83 136 166 332 664 1411 2822 5644 10723 11288 21446 42892 85784 182291 364582 729164 890009 1458328 1780018 3560036 7120072 15130153 30260306 60520612 121041224