1203202140 has 96 divisors (see below), whose sum is σ = 3866548224. Its totient is φ = 273853440.

The previous prime is 1203202127. The next prime is 1203202171. The reversal of 1203202140 is 412023021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95277 + ... + 107163.

It is an arithmetic number, because the mean of its divisors is an integer number (40276544).

Almost surely, 2^1203202140 is an apocalyptic number.

1203202140 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 1203202140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1933274112).

1203202140 is an abundant number, since it is smaller than the sum of its proper divisors (2663346084).

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

1203202140 is a wasteful number, since it uses less digits than its factorization.

1203202140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12147 (or 12145 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1203202140 is about 34687.2042690096. The cubic root of 1203202140 is about 1063.6029467583.

Adding to 1203202140 its reverse (412023021), we get a palindrome (1615225161).

The spelling of 1203202140 in words is "one billion, two hundred three million, two hundred two thousand, one hundred forty".