1021432342 has 24 divisors (see below), whose sum is σ = 1783664064. Its totient is φ = 437420592.

The previous prime is 1021432337. The next prime is 1021432387. The reversal of 1021432342 is 2432341201.

1021432342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157243 + ... + 163609.

It is an arithmetic number, because the mean of its divisors is an integer number (74319336).

Almost surely, 2^1021432342 is an apocalyptic number.

1021432342 is a deficient number, since it is larger than the sum of its proper divisors (762231722).

1021432342 is a wasteful number, since it uses less digits than its factorization.

1021432342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8020 (or 8013 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1021432342 is about 31959.8551623752. The cubic root of 1021432342 is about 1007.0936747928.

Adding to 1021432342 its reverse (2432341201), we get a palindrome (3453773543).

The spelling of 1021432342 in words is "one billion, twenty-one million, four hundred thirty-two thousand, three hundred forty-two".