1131401424 has 40 divisors (see below), whose sum is σ = 2930973120. Its totient is φ = 376077568.

The previous prime is 1131401407. The next prime is 1131401477. The reversal of 1131401424 is 4241041311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131401424.

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, 15597 + ... + 50060.

It is an arithmetic number, because the mean of its divisors is an integer number (73274328).

Almost surely, 2^1131401424 is an apocalyptic number.

It is an amenable number.

1131401424 is an abundant number, since it is smaller than the sum of its proper divisors (1799571696).

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

1131401424 is a wasteful number, since it uses less digits than its factorization.

1131401424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66027 (or 66021 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1131401424 is about 33636.3110938165. The cubic root of 1131401424 is about 1042.0108481623.

Adding to 1131401424 its reverse (4241041311), we get a palindrome (5372442735).

The spelling of 1131401424 in words is "one billion, one hundred thirty-one million, four hundred one thousand, four hundred twenty-four".