123782412 has 48 divisors (see below), whose sum is σ = 324576000. Its totient is φ = 36429888.

The previous prime is 123782383. The next prime is 123782441. The reversal of 123782412 is 214287321.

It is an interprime number because it is at equal distance from previous prime (123782383) and next prime (123782441).

It is a self number, because there is not a number n which added to its sum of digits gives 123782412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13662 + ... + 20837.

It is an arithmetic number, because the mean of its divisors is an integer number (6762000).

Almost surely, 2^123782412 is an apocalyptic number.

123782412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123782412 is an abundant number, since it is smaller than the sum of its proper divisors (200793588).

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

123782412 is a wasteful number, since it uses less digits than its factorization.

123782412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34542 (or 34540 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 123782412 is about 11125.7544463286. The cubic root of 123782412 is about 498.3712494376.

The spelling of 123782412 in words is "one hundred twenty-three million, seven hundred eighty-two thousand, four hundred twelve".