1203045648 has 120 divisors (see below), whose sum is σ = 3805693920. Its totient is φ = 325624320.

The previous prime is 1203045637. The next prime is 1203045673. The reversal of 1203045648 is 8465403021.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31228 + ... + 58148.

It is an arithmetic number, because the mean of its divisors is an integer number (31714116).

Almost surely, 2^1203045648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1203045648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1902846960).

1203045648 is an abundant number, since it is smaller than the sum of its proper divisors (2602648272).

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

1203045648 is a wasteful number, since it uses less digits than its factorization.

1203045648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26965 (or 26952 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 1203045648 is about 34684.9484358850. The cubic root of 1203045648 is about 1063.5568329858.

Adding to 1203045648 its reverse (8465403021), we get a palindrome (9668448669).

The spelling of 1203045648 in words is "one billion, two hundred three million, forty-five thousand, six hundred forty-eight".