1128474580 has 24 divisors (see below), whose sum is σ = 2372696928. Its totient is φ = 450837408.

The previous prime is 1128474577. The next prime is 1128474583. The reversal of 1128474580 is 854748211.

It is an interprime number because it is at equal distance from previous prime (1128474577) and next prime (1128474583).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128474583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17574 + ... + 50653.

It is an arithmetic number, because the mean of its divisors is an integer number (98862372).

Almost surely, 2^1128474580 is an apocalyptic number.

1128474580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1128474580 is an abundant number, since it is smaller than the sum of its proper divisors (1244222348).

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

1128474580 is a wasteful number, since it uses less digits than its factorization.

1128474580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69063 (or 69061 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 1128474580 is about 33592.7757114532. The cubic root of 1128474580 is about 1041.1115396336. Note that the first 3 decimals are identical.

The spelling of 1128474580 in words is "one billion, one hundred twenty-eight million, four hundred seventy-four thousand, five hundred eighty".