1042235243 has 12 divisors (see below), whose sum is σ = 1213504920. Its totient is φ = 892527552.

The previous prime is 1042235231. The next prime is 1042235251. The reversal of 1042235243 is 3425322401.

It is a de Polignac number, because none of the positive numbers 2^k-1042235243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042235543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47843 + ... + 66131.

It is an arithmetic number, because the mean of its divisors is an integer number (101125410).

Almost surely, 2^1042235243 is an apocalyptic number.

1042235243 is a deficient number, since it is larger than the sum of its proper divisors (171269677).

1042235243 is a wasteful number, since it uses less digits than its factorization.

1042235243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19466 (or 19459 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 1042235243 is about 32283.6683634311. The cubic root of 1042235243 is about 1013.8847361743.

Adding to 1042235243 its reverse (3425322401), we get a palindrome (4467557644).

The spelling of 1042235243 in words is "one billion, forty-two million, two hundred thirty-five thousand, two hundred forty-three".