1242245032 has 16 divisors (see below), whose sum is σ = 2661953760. Its totient is φ = 532390704.

The previous prime is 1242245021. The next prime is 1242245033. The reversal of 1242245032 is 2305422421.

It is a junction number, because it is equal to n+sod(n) for n = 1242244988 and 1242245006.

It is not an unprimeable number, because it can be changed into a prime (1242245033) 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, 11091418 + ... + 11091529.

It is an arithmetic number, because the mean of its divisors is an integer number (166372110).

Almost surely, 2^1242245032 is an apocalyptic number.

It is an amenable number.

1242245032 is an abundant number, since it is smaller than the sum of its proper divisors (1419708728).

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

1242245032 is a wasteful number, since it uses less digits than its factorization.

1242245032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22182960 (or 22182956 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1242245032 is about 35245.4966201357. The cubic root of 1242245032 is about 1074.9850459791.

Adding to 1242245032 its reverse (2305422421), we get a palindrome (3547667453).

The spelling of 1242245032 in words is "one billion, two hundred forty-two million, two hundred forty-five thousand, thirty-two".