1203133540 has 48 divisors (see below), whose sum is σ = 2889540864. Its totient is φ = 412214400.

The previous prime is 1203133499. The next prime is 1203133559. The reversal of 1203133540 is 453313021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325905 + ... + 329575.

It is an arithmetic number, because the mean of its divisors is an integer number (60198768).

Almost surely, 2^1203133540 is an apocalyptic number.

1203133540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203133540 is an abundant number, since it is smaller than the sum of its proper divisors (1686407324).

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

1203133540 is a wasteful number, since it uses less digits than its factorization.

1203133540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6028 (or 6026 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1203133540 is about 34686.2154176555. The cubic root of 1203133540 is about 1063.5827327680.

Adding to 1203133540 its reverse (453313021), we get a palindrome (1656446561).

The spelling of 1203133540 in words is "one billion, two hundred three million, one hundred thirty-three thousand, five hundred forty".