1069975420 has 12 divisors (see below), whose sum is σ = 2246948424. Its totient is φ = 427990160.

The previous prime is 1069975411. The next prime is 1069975421. The reversal of 1069975420 is 245799601.

It is a happy number.

It is a super-2 number, since 2×1069975420² = 2289694798808352800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1069975421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26749366 + ... + 26749405.

It is an arithmetic number, because the mean of its divisors is an integer number (187245702).

Almost surely, 2^1069975420 is an apocalyptic number.

1069975420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1069975420 is an abundant number, since it is smaller than the sum of its proper divisors (1176973004).

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

1069975420 is a wasteful number, since it uses less digits than its factorization.

1069975420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53498780 (or 53498778 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 1069975420 is about 32710.4787491715. The cubic root of 1069975420 is about 1022.8012897321.

The spelling of 1069975420 in words is "one billion, sixty-nine million, nine hundred seventy-five thousand, four hundred twenty".