1021052426 has 8 divisors (see below), whose sum is σ = 1531881120. Its totient is φ = 510425388.

The previous prime is 1021052371. The next prime is 1021052429. The reversal of 1021052426 is 6242501201.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1021052429) by changing a digit.

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, 37046 + ... + 58433.

It is an arithmetic number, because the mean of its divisors is an integer number (191485140).

Almost surely, 2^1021052426 is an apocalyptic number.

1021052426 is a deficient number, since it is larger than the sum of its proper divisors (510828694).

1021052426 is an equidigital number, since it uses as much as digits as its factorization.

1021052426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100828.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1021052426 is about 31953.9109656392. The cubic root of 1021052426 is about 1006.9687983713.

Adding to 1021052426 its reverse (6242501201), we get a palindrome (7263553627).

The spelling of 1021052426 in words is "one billion, twenty-one million, fifty-two thousand, four hundred twenty-six".