Search a number
121124 = 22107283
BaseRepresentation
bin11101100100100100
320011011002
4131210210
512333444
62332432
71013063
oct354444
9204132
10121124
1183003
125a118
1343193
14321da
1525d4e
hex1d924

121124 has 12 divisors (see below), whose sum is σ = 214704. Its totient is φ = 59784.

The previous prime is 121123. The next prime is 121139. The reversal of 121124 is 421121.

Adding to 121124 its reverse (421121), we get a palindrome (542245).

121124 = T170 + T171 + ... + T177.

121124 is nontrivially palindromic in base 3.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (121123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287 + ... + 569.

It is an arithmetic number, because the mean of its divisors is an integer number (17892).

2121124 is an apocalyptic number.

It is an amenable number.

121124 is a deficient number, since it is larger than the sum of its proper divisors (93580).

121124 is a wasteful number, since it uses less digits than its factorization.

121124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 392 counting only the distinct ones).

The product of its digits is 16, while the sum is 11.

The square root of 121124 is about 348.0287344459. The cubic root of 121124 is about 49.4777643899.

The spelling of 121124 in words is "one hundred twenty-one thousand, one hundred twenty-four", and thus it is an iban number.