1021450135 has 8 divisors (see below), whose sum is σ = 1229156640. Its totient is φ = 814882464.

The previous prime is 1021450109. The next prime is 1021450169. The reversal of 1021450135 is 5310541201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1021450135 - 2⁵ = 1021450103 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 282732 + ... + 286321.

It is an arithmetic number, because the mean of its divisors is an integer number (153644580).

Almost surely, 2^1021450135 is an apocalyptic number.

1021450135 is a deficient number, since it is larger than the sum of its proper divisors (207706505).

1021450135 is an equidigital number, since it uses as much as digits as its factorization.

1021450135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569417.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1021450135 is about 31960.1335260039. The cubic root of 1021450135 is about 1007.0995225007.

Adding to 1021450135 its reverse (5310541201), we get a palindrome (6331991336).

The spelling of 1021450135 in words is "one billion, twenty-one million, four hundred fifty thousand, one hundred thirty-five".