1075421270 has 64 divisors (see below), whose sum is σ = 2418149376. Its totient is φ = 334538880.

The previous prime is 1075421209. The next prime is 1075421311. The reversal of 1075421270 is 721245701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 520259 + ... + 522321.

It is an arithmetic number, because the mean of its divisors is an integer number (37783584).

Almost surely, 2^1075421270 is an apocalyptic number.

1075421270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1075421270 is an abundant number, since it is smaller than the sum of its proper divisors (1342728106).

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

1075421270 is a wasteful number, since it uses less digits than its factorization.

1075421270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 1075421270 is about 32793.6162995178. The cubic root of 1075421270 is about 1024.5336033979.

Adding to 1075421270 its reverse (721245701), we get a palindrome (1796666971).

The spelling of 1075421270 in words is "one billion, seventy-five million, four hundred twenty-one thousand, two hundred seventy".