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121434 = 2337547
BaseRepresentation
bin11101101001011010
320011120120
4131221122
512341214
62334110
71014015
oct355132
9204516
10121434
1183265
125a336
1343371
143237c
1525ea9
hex1da5a

121434 has 16 divisors (see below), whose sum is σ = 249888. Its totient is φ = 39312.

The previous prime is 121421. The next prime is 121439. The reversal of 121434 is 434121.

It is an alternating number because its digits alternate between odd and even.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 121434.

It is not an unprimeable number, because it can be changed into a prime (121439) 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, 52 + ... + 495.

It is an arithmetic number, because the mean of its divisors is an integer number (15618).

2121434 is an apocalyptic number.

121434 is an abundant number, since it is smaller than the sum of its proper divisors (128454).

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

121434 is a wasteful number, since it uses less digits than its factorization.

121434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589.

The product of its digits is 96, while the sum is 15.

The square root of 121434 is about 348.4738153721. The cubic root of 121434 is about 49.5199389116.

Adding to 121434 its reverse (434121), we get a palindrome (555555).

It can be divided in two parts, 121 and 434, that added together give a palindrome (555).

The spelling of 121434 in words is "one hundred twenty-one thousand, four hundred thirty-four".

Divisors: 1 2 3 6 37 74 111 222 547 1094 1641 3282 20239 40478 60717 121434