1131407424 has 84 divisors (see below), whose sum is σ = 3706270464. Its totient is φ = 323258112.

The previous prime is 1131407419. The next prime is 1131407429. The reversal of 1131407424 is 4247041311.

It is an interprime number because it is at equal distance from previous prime (1131407419) and next prime (1131407429).

It is a tau number, because it is divible by the number of its divisors (84).

It is not an unprimeable number, because it can be changed into a prime (1131407429) 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, 136272 + ... + 144335.

Almost surely, 2^1131407424 is an apocalyptic number.

1131407424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1131407424 is an abundant number, since it is smaller than the sum of its proper divisors (2574863040).

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

1131407424 is a wasteful number, since it uses less digits than its factorization.

1131407424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280632 (or 280619 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 1131407424 is about 33636.4002830267. The cubic root of 1131407424 is about 1042.0126901416.

Adding to 1131407424 its reverse (4247041311), we get a palindrome (5378448735).

The spelling of 1131407424 in words is "one billion, one hundred thirty-one million, four hundred seven thousand, four hundred twenty-four".