Search a number
-
+
122706226 = 261353113
BaseRepresentation
bin1110101000001…
…01100100110010
322112220010022001
413110011210302
5222403044401
620102004214
73016662046
oct724054462
9275803261
10122706226
11632a0005
123511666a
131c563946
1412422026
15ab8c601
hex7505932

122706226 has 4 divisors (see below), whose sum is σ = 184059342. Its totient is φ = 61353112.

The previous prime is 122706217. The next prime is 122706229. The reversal of 122706226 is 622607221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622607221 = 1993312397.

It can be written as a sum of positive squares in only one way, i.e., 107143201 + 15563025 = 10351^2 + 3945^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122706194 and 122706203.

It is not an unprimeable number, because it can be changed into a prime (122706229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30676555 + ... + 30676558.

Almost surely, 2122706226 is an apocalyptic number.

122706226 is a deficient number, since it is larger than the sum of its proper divisors (61353116).

122706226 is an equidigital number, since it uses as much as digits as its factorization.

122706226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61353115.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 122706226 is about 11077.2842339628. The cubic root of 122706226 is about 496.9227343933.

It can be divided in two parts, 12270 and 6226, that added together give a square (18496 = 1362).

The spelling of 122706226 in words is "one hundred twenty-two million, seven hundred six thousand, two hundred twenty-six".

Divisors: 1 2 61353113 122706226