1133202240 has 84 divisors (see below), whose sum is σ = 3897753444. Its totient is φ = 302186496.

The previous prime is 1133202233. The next prime is 1133202247. The reversal of 1133202240 is 422023311.

It is an interprime number because it is at equal distance from previous prime (1133202233) and next prime (1133202247).

It can be written as a sum of positive squares in 2 ways, for example, as 164249856 + 968952384 = 12816^2 + 31128^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133202247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193857 + ... + 199616.

Almost surely, 2^1133202240 is an apocalyptic number.

1133202240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133202240 is an abundant number, since it is smaller than the sum of its proper divisors (2764551204).

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

1133202240 is a wasteful number, since it uses less digits than its factorization.

1133202240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393496 (or 393483 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1133202240 is about 33663.0693787717. The cubic root of 1133202240 is about 1042.5634003848.

Adding to 1133202240 its reverse (422023311), we get a palindrome (1555225551).

The spelling of 1133202240 in words is "one billion, one hundred thirty-three million, two hundred two thousand, two hundred forty".