1146871740 has 96 divisors (see below), whose sum is σ = 3707956224. Its totient is φ = 259430400.

The previous prime is 1146871723. The next prime is 1146871757. The reversal of 1146871740 is 471786411.

It is an interprime number because it is at equal distance from previous prime (1146871723) and next prime (1146871757).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 26665 + ... + 54815.

It is an arithmetic number, because the mean of its divisors is an integer number (38624544).

Almost surely, 2^1146871740 is an apocalyptic number.

1146871740 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 1146871740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1853978112).

1146871740 is an abundant number, since it is smaller than the sum of its proper divisors (2561084484).

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

1146871740 is a wasteful number, since it uses less digits than its factorization.

1146871740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28267 (or 28265 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 1146871740 is about 33865.4948288077. The cubic root of 1146871740 is about 1046.7387063258.

The spelling of 1146871740 in words is "one billion, one hundred forty-six million, eight hundred seventy-one thousand, seven hundred forty".