1131214424 has 32 divisors (see below), whose sum is σ = 2195881920. Its totient is φ = 545976576.

The previous prime is 1131214421. The next prime is 1131214481. The reversal of 1131214424 is 4244121311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131214424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131214421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6842 + ... + 48054.

It is an arithmetic number, because the mean of its divisors is an integer number (68621310).

Almost surely, 2^1131214424 is an apocalyptic number.

It is an amenable number.

1131214424 is a deficient number, since it is larger than the sum of its proper divisors (1064667496).

1131214424 is a wasteful number, since it uses less digits than its factorization.

1131214424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41339 (or 41335 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 1131214424 is about 33633.5312448753. The cubic root of 1131214424 is about 1041.9534365425.

Adding to 1131214424 its reverse (4244121311), we get a palindrome (5375335735).

The spelling of 1131214424 in words is "one billion, one hundred thirty-one million, two hundred fourteen thousand, four hundred twenty-four".