1243241676 has 48 divisors (see below), whose sum is σ = 3225492480. Its totient is φ = 414121680.

The previous prime is 1243241641. The next prime is 1243241677. The reversal of 1243241676 is 6761423421.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1243241676.

It is not an unprimeable number, because it can be changed into a prime (1243241677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194605 + ... + 200891.

It is an arithmetic number, because the mean of its divisors is an integer number (67197760).

Almost surely, 2^1243241676 is an apocalyptic number.

It is an amenable number.

1243241676 is an abundant number, since it is smaller than the sum of its proper divisors (1982250804).

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

1243241676 is a wasteful number, since it uses less digits than its factorization.

1243241676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8131 (or 8123 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 1243241676 is about 35259.6323860587. The cubic root of 1243241676 is about 1075.2724533147.

The spelling of 1243241676 in words is "one billion, two hundred forty-three million, two hundred forty-one thousand, six hundred seventy-six".