123276290 has 8 divisors (see below), whose sum is σ = 221897340. Its totient is φ = 49310512.

The previous prime is 123276289. The next prime is 123276301. The reversal of 123276290 is 92672321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 119399329 + 3876961 = 10927^2 + 1969^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6163805 + ... + 6163824.

Almost surely, 2^123276290 is an apocalyptic number.

123276290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123276290 is a deficient number, since it is larger than the sum of its proper divisors (98621050).

123276290 is a wasteful number, since it uses less digits than its factorization.

123276290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12327636.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 123276290 is about 11102.9856345039. The cubic root of 123276290 is about 497.6910741350.

The spelling of 123276290 in words is "one hundred twenty-three million, two hundred seventy-six thousand, two hundred ninety".