1242929683 has 4 divisors (see below), whose sum is σ = 1296970128. Its totient is φ = 1188889240.

The previous prime is 1242929671. The next prime is 1242929693. The reversal of 1242929683 is 3869292421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1242929683 - 2⁵ = 1242929651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242929603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27020188 + ... + 27020233.

It is an arithmetic number, because the mean of its divisors is an integer number (324242532).

Almost surely, 2^1242929683 is an apocalyptic number.

1242929683 is a deficient number, since it is larger than the sum of its proper divisors (54040445).

1242929683 is an equidigital number, since it uses as much as digits as its factorization.

1242929683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54040444.

The product of its digits is 373248, while the sum is 46.

The square root of 1242929683 is about 35255.2078847934. The cubic root of 1242929683 is about 1075.1824988160.

The spelling of 1242929683 in words is "one billion, two hundred forty-two million, nine hundred twenty-nine thousand, six hundred eighty-three".