Search a number
-
+
121023124 = 2230255781
BaseRepresentation
bin1110011011010…
…10101010010100
322102201121111221
413031222222110
5221440214444
620001540124
72666452045
oct715525224
9272647457
10121023124
1162350512
1234644644
131c0c4821
14121048cc
15a958a84
hex736aa94

121023124 has 6 divisors (see below), whose sum is σ = 211790474. Its totient is φ = 60511560.

The previous prime is 121023083. The next prime is 121023143. The reversal of 121023124 is 421320121.

It can be written as a sum of positive squares in only one way, i.e., 113635600 + 7387524 = 10660^2 + 2718^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121023098 and 121023107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15127887 + ... + 15127894.

Almost surely, 2121023124 is an apocalyptic number.

It is an amenable number.

121023124 is a deficient number, since it is larger than the sum of its proper divisors (90767350).

121023124 is a wasteful number, since it uses less digits than its factorization.

121023124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30255785 (or 30255783 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 121023124 is about 11001.0510406961. The cubic root of 121023124 is about 494.6402501213.

Adding to 121023124 its reverse (421320121), we get a palindrome (542343245).

The spelling of 121023124 in words is "one hundred twenty-one million, twenty-three thousand, one hundred twenty-four".

Divisors: 1 2 4 30255781 60511562 121023124