1021412342 has 8 divisors (see below), whose sum is σ = 1534281600. Its totient is φ = 509985144.

The previous prime is 1021412341. The next prime is 1021412351. The reversal of 1021412342 is 2432141201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021412341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358742 + ... + 361577.

It is an arithmetic number, because the mean of its divisors is an integer number (191785200).

Almost surely, 2^1021412342 is an apocalyptic number.

1021412342 is a deficient number, since it is larger than the sum of its proper divisors (512869258).

1021412342 is an equidigital number, since it uses as much as digits as its factorization.

1021412342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721030.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1021412342 is about 31959.5422683117. The cubic root of 1021412342 is about 1007.0871016686.

Adding to 1021412342 its reverse (2432141201), we get a palindrome (3453553543).

The spelling of 1021412342 in words is "one billion, twenty-one million, four hundred twelve thousand, three hundred forty-two".