1021243134 has 8 divisors (see below), whose sum is σ = 2042486280. Its totient is φ = 340414376.

The previous prime is 1021243117. The next prime is 1021243187. The reversal of 1021243134 is 4313421201.

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

1021243134 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1021243134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85103589 + ... + 85103600.

It is an arithmetic number, because the mean of its divisors is an integer number (255310785).

Almost surely, 2^1021243134 is an apocalyptic number.

1021243134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1021243134 is a wasteful number, since it uses less digits than its factorization.

1021243134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170207194.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1021243134 is about 31956.8949367738. The cubic root of 1021243134 is about 1007.0314869744.

Adding to 1021243134 its reverse (4313421201), we get a palindrome (5334664335).

The spelling of 1021243134 in words is "one billion, twenty-one million, two hundred forty-three thousand, one hundred thirty-four".