1243082826 has 24 divisors (see below), whose sum is σ = 2780229504. Its totient is φ = 400994280.

The previous prime is 1243082779. The next prime is 1243082843. The reversal of 1243082826 is 6282803421.

It is a super-2 number, since 2×1243082826² = 3090509824592292552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1113316 + ... + 1114431.

It is an arithmetic number, because the mean of its divisors is an integer number (115842896).

Almost surely, 2^1243082826 is an apocalyptic number.

1243082826 is an abundant number, since it is smaller than the sum of its proper divisors (1537146678).

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

1243082826 is a wasteful number, since it uses less digits than its factorization.

1243082826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227786 (or 2227783 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 1243082826 is about 35257.3797381484. The cubic root of 1243082826 is about 1075.2266552188.

The spelling of 1243082826 in words is "one billion, two hundred forty-three million, eighty-two thousand, eight hundred twenty-six".