1078574520 has 128 divisors (see below), whose sum is σ = 3606508800. Its totient is φ = 256444416.

The previous prime is 1078574513. The next prime is 1078574527. The reversal of 1078574520 is 254758701.

It is an interprime number because it is at equal distance from previous prime (1078574513) and next prime (1078574527).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078574527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24847 + ... + 52673.

It is an arithmetic number, because the mean of its divisors is an integer number (28175850).

Almost surely, 2^1078574520 is an apocalyptic number.

1078574520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1078574520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1803254400).

1078574520 is an abundant number, since it is smaller than the sum of its proper divisors (2527934280).

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

1078574520 is a wasteful number, since it uses less digits than its factorization.

1078574520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27877 (or 27873 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 1078574520 is about 32841.6583016144. The cubic root of 1078574520 is about 1025.5339736124.

The spelling of 1078574520 in words is "one billion, seventy-eight million, five hundred seventy-four thousand, five hundred twenty".