1131241040 has 40 divisors (see below), whose sum is σ = 2631581568. Its totient is φ = 452247680.

The previous prime is 1131241031. The next prime is 1131241051. The reversal of 1131241040 is 401421311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229805 + ... + 234675.

Almost surely, 2^1131241040 is an apocalyptic number.

1131241040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131241040 is an abundant number, since it is smaller than the sum of its proper divisors (1500340528).

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

1131241040 is a wasteful number, since it uses less digits than its factorization.

1131241040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7787 (or 7781 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1131241040 is about 33633.9269191095. The cubic root of 1131241040 is about 1041.9616084136.

Adding to 1131241040 its reverse (401421311), we get a palindrome (1532662351).

The spelling of 1131241040 in words is "one billion, one hundred thirty-one million, two hundred forty-one thousand, forty".