Search a number
-
+
120122154 = 2326673453
BaseRepresentation
bin1110010100011…
…10101100101010
322101000211121200
413022032230222
5221222402104
615530345030
72656010235
oct712165452
9271024550
10120122154
1161895609
123428b176
131bb6a6c9
1411d4c41c
15a82bb39
hex728eb2a

120122154 has 12 divisors (see below), whose sum is σ = 260264706. Its totient is φ = 40040712.

The previous prime is 120122111. The next prime is 120122203. The reversal of 120122154 is 451221021.

It can be written as a sum of positive squares in only one way, i.e., 89019225 + 31102929 = 9435^2 + 5577^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6673453 = 120122154 / (1 + 2 + 0 + 1 + 2 + 2 + 1 + 5 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3336709 + ... + 3336744.

Almost surely, 2120122154 is an apocalyptic number.

120122154 is an abundant number, since it is smaller than the sum of its proper divisors (140142552).

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

120122154 is a wasteful number, since it uses less digits than its factorization.

120122154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6673461 (or 6673458 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 120122154 is about 10960.0252736935. The cubic root of 120122154 is about 493.4097234804.

Adding to 120122154 its reverse (451221021), we get a palindrome (571343175).

The spelling of 120122154 in words is "one hundred twenty million, one hundred twenty-two thousand, one hundred fifty-four".

Divisors: 1 2 3 6 9 18 6673453 13346906 20020359 40040718 60061077 120122154