1201010240 has 28 divisors (see below), whose sum is σ = 2859906396. Its totient is φ = 480403968.

The previous prime is 1201010221. The next prime is 1201010299. The reversal of 1201010240 is 420101021.

It can be written as a sum of positive squares in 2 ways, for example, as 849372736 + 351637504 = 29144^2 + 18752^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1876259 + ... + 1876898.

Almost surely, 2^1201010240 is an apocalyptic number.

1201010240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201010240 is an abundant number, since it is smaller than the sum of its proper divisors (1658896156).

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

1201010240 is an equidigital number, since it uses as much as digits as its factorization.

1201010240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753174 (or 3753164 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1201010240 is about 34655.5946421353. The cubic root of 1201010240 is about 1062.9566911478.

Adding to 1201010240 its reverse (420101021), we get a palindrome (1621111261).

The spelling of 1201010240 in words is "one billion, two hundred one million, ten thousand, two hundred forty".