1146201620 has 24 divisors (see below), whose sum is σ = 2410607304. Its totient is φ = 457798016.

The previous prime is 1146201611. The next prime is 1146201649. The reversal of 1146201620 is 261026411.

It can be written as a sum of positive squares in 4 ways, for example, as 168013444 + 978188176 = 12962^2 + 31276^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28787 + ... + 55866.

It is an arithmetic number, because the mean of its divisors is an integer number (100441971).

Almost surely, 2^1146201620 is an apocalyptic number.

1146201620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1146201620 is an abundant number, since it is smaller than the sum of its proper divisors (1264405684).

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

1146201620 is a wasteful number, since it uses less digits than its factorization.

1146201620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85339 (or 85337 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1146201620 is about 33855.5995368565. The cubic root of 1146201620 is about 1046.5347959321.

The spelling of 1146201620 in words is "one billion, one hundred forty-six million, two hundred one thousand, six hundred twenty".