1242473412 has 24 divisors (see below), whose sum is σ = 2901592512. Its totient is φ = 413802400.

The previous prime is 1242473411. The next prime is 1242473429. The reversal of 1242473412 is 2143742421.

It is a self number, because there is not a number n which added to its sum of digits gives 1242473412.

It is not an unprimeable number, because it can be changed into a prime (1242473411) 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 7 ways as a sum of consecutive naturals, for example, 29664 + ... + 58007.

It is an arithmetic number, because the mean of its divisors is an integer number (120899688).

Almost surely, 2^1242473412 is an apocalyptic number.

1242473412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1242473412 is an abundant number, since it is smaller than the sum of its proper divisors (1659119100).

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

1242473412 is a wasteful number, since it uses less digits than its factorization.

1242473412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88859 (or 88857 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 1242473412 is about 35248.7363177746. The cubic root of 1242473412 is about 1075.0509186626.

The spelling of 1242473412 in words is "one billion, two hundred forty-two million, four hundred seventy-three thousand, four hundred twelve".