Search a number
-
+
122871046 = 261435523
BaseRepresentation
bin1110101001011…
…01110100000110
322120012111101111
413110231310012
5222423333141
620105315234
73021246424
oct724556406
9276174344
10122871046
11633a2921
1235195b1a
131c5c097c
1412466114
15abc1381
hex752dd06

122871046 has 4 divisors (see below), whose sum is σ = 184306572. Its totient is φ = 61435522.

The previous prime is 122871041. The next prime is 122871059. The reversal of 122871046 is 640178221.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 122870999 and 122871017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122871041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30717760 + ... + 30717763.

It is an arithmetic number, because the mean of its divisors is an integer number (46076643).

Almost surely, 2122871046 is an apocalyptic number.

122871046 is a deficient number, since it is larger than the sum of its proper divisors (61435526).

122871046 is an equidigital number, since it uses as much as digits as its factorization.

122871046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61435525.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 122871046 is about 11084.7212865277. The cubic root of 122871046 is about 497.1451250691.

The spelling of 122871046 in words is "one hundred twenty-two million, eight hundred seventy-one thousand, forty-six".

Divisors: 1 2 61435523 122871046