1200146000 has 40 divisors (see below), whose sum is σ = 2901957864. Its totient is φ = 480057600.

The previous prime is 1200145981. The next prime is 1200146033. The reversal of 1200146000 is 6410021.

It can be written as a sum of positive squares in 4 ways, for example, as 192210496 + 1007935504 = 13864^2 + 31748^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298037 + ... + 302036.

Almost surely, 2^1200146000 is an apocalyptic number.

1200146000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200146000 is an abundant number, since it is smaller than the sum of its proper divisors (1701811864).

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

1200146000 is an equidigital number, since it uses as much as digits as its factorization.

1200146000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600096 (or 600080 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1200146000 is about 34643.1234157661. The cubic root of 1200146000 is about 1062.7016641436.

Adding to 1200146000 its reverse (6410021), we get a palindrome (1206556021).

The spelling of 1200146000 in words is "one billion, two hundred million, one hundred forty-six thousand".