123827240 has 16 divisors (see below), whose sum is σ = 278611380. Its totient is φ = 49530880.

The previous prime is 123827233. The next prime is 123827261. The reversal of 123827240 is 42728321.

It can be written as a sum of positive squares in 2 ways, for example, as 113081956 + 10745284 = 10634^2 + 3278^2 .

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, 1547801 + ... + 1547880.

Almost surely, 2^123827240 is an apocalyptic number.

123827240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123827240 is an abundant number, since it is smaller than the sum of its proper divisors (154784140).

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

123827240 is a wasteful number, since it uses less digits than its factorization.

123827240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095692 (or 3095688 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 123827240 is about 11127.7688689153. The cubic root of 123827240 is about 498.4314041602.

The spelling of 123827240 in words is "one hundred twenty-three million, eight hundred twenty-seven thousand, two hundred forty".