1203355140 has 96 divisors (see below), whose sum is σ = 3634968960. Its totient is φ = 295689216.

The previous prime is 1203355121. The next prime is 1203355157. The reversal of 1203355140 is 415533021.

1203355140 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1203355140.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 630067 + ... + 631973.

It is an arithmetic number, because the mean of its divisors is an integer number (37864260).

Almost surely, 2^1203355140 is an apocalyptic number.

1203355140 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 1203355140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1817484480).

1203355140 is an abundant number, since it is smaller than the sum of its proper divisors (2431613820).

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

1203355140 is a wasteful number, since it uses less digits than its factorization.

1203355140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741 (or 2739 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1203355140 is about 34689.4096231112. The cubic root of 1203355140 is about 1063.6480276715.

Adding to 1203355140 its reverse (415533021), we get a palindrome (1618888161).

The spelling of 1203355140 in words is "one billion, two hundred three million, three hundred fifty-five thousand, one hundred forty".