1146749560 has 128 divisors (see below), whose sum is σ = 2980800000. Its totient is φ = 392670720.

The previous prime is 1146749557. The next prime is 1146749561. The reversal of 1146749560 is 659476411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146749561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1914141 + ... + 1914739.

It is an arithmetic number, because the mean of its divisors is an integer number (23287500).

Almost surely, 2^1146749560 is an apocalyptic number.

1146749560 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 1146749560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1490400000).

1146749560 is an abundant number, since it is smaller than the sum of its proper divisors (1834050440).

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

1146749560 is a wasteful number, since it uses less digits than its factorization.

1146749560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 1146749560 is about 33863.6908797609. The cubic root of 1146749560 is about 1046.7015341723.

The spelling of 1146749560 in words is "one billion, one hundred forty-six million, seven hundred forty-nine thousand, five hundred sixty".