Search a number
-
+
122673147 = 340891049
BaseRepresentation
bin1110100111111…
…01011111111011
322112211102220220
413103331133323
5222401020042
620101151123
73016463442
oct723753773
9275742826
10122673147
1163278173
12350bb4a3
131c55187c
1412413d59
15ab828ec
hex74fd7fb

122673147 has 4 divisors (see below), whose sum is σ = 163564200. Its totient is φ = 81782096.

The previous prime is 122673143. The next prime is 122673157. The reversal of 122673147 is 741376221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741376221 = 3247125407.

It is a cyclic number.

It is not a de Polignac number, because 122673147 - 22 = 122673143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122673143) 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, 20445522 + ... + 20445527.

It is an arithmetic number, because the mean of its divisors is an integer number (40891050).

Almost surely, 2122673147 is an apocalyptic number.

122673147 is a deficient number, since it is larger than the sum of its proper divisors (40891053).

122673147 is an equidigital number, since it uses as much as digits as its factorization.

122673147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40891052.

The product of its digits is 14112, while the sum is 33.

The square root of 122673147 is about 11075.7910326983. The cubic root of 122673147 is about 496.8780770981.

The spelling of 122673147 in words is "one hundred twenty-two million, six hundred seventy-three thousand, one hundred forty-seven".

Divisors: 1 3 40891049 122673147