1021412434 has 8 divisors (see below), whose sum is σ = 1750992768. Its totient is φ = 437748180.

The previous prime is 1021412429. The next prime is 1021412443. The reversal of 1021412434 is 4342141201.

It is a happy number.

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

It is an unprimeable number.

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, 36479002 + ... + 36479029.

It is an arithmetic number, because the mean of its divisors is an integer number (218874096).

Almost surely, 2^1021412434 is an apocalyptic number.

1021412434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1021412434 is a deficient number, since it is larger than the sum of its proper divisors (729580334).

1021412434 is an equidigital number, since it uses as much as digits as its factorization.

1021412434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72958040.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1021412434 is about 31959.5437076314. The cubic root of 1021412434 is about 1007.0871319052.

Adding to 1021412434 its reverse (4342141201), we get a palindrome (5363553635).

The spelling of 1021412434 in words is "one billion, twenty-one million, four hundred twelve thousand, four hundred thirty-four".