1074143520 has 72 divisors (see below), whose sum is σ = 3665519676. Its totient is φ = 286437888.

The previous prime is 1074143513. The next prime is 1074143537. The reversal of 1074143520 is 253414701.

It can be written as a sum of positive squares in 2 ways, for example, as 1070860176 + 3283344 = 32724^2 + 1812^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 371527 + ... + 374406.

Almost surely, 2^1074143520 is an apocalyptic number.

1074143520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1074143520 is an abundant number, since it is smaller than the sum of its proper divisors (2591376156).

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

1074143520 is a wasteful number, since it uses less digits than its factorization.

1074143520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745954 (or 745943 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1074143520 is about 32774.1288213737. The cubic root of 1074143520 is about 1024.1276797987.

The spelling of 1074143520 in words is "one billion, seventy-four million, one hundred forty-three thousand, five hundred twenty".