1131120430 has 32 divisors (see below), whose sum is σ = 2222494848. Its totient is φ = 411060000.

The previous prime is 1131120409. The next prime is 1131120439. The reversal of 1131120430 is 340211311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131120439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346305 + ... + 349555.

It is an arithmetic number, because the mean of its divisors is an integer number (69452964).

Almost surely, 2^1131120430 is an apocalyptic number.

1131120430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131120430 is a deficient number, since it is larger than the sum of its proper divisors (1091374418).

1131120430 is a wasteful number, since it uses less digits than its factorization.

1131120430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6432.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1131120430 is about 33632.1338900760. The cubic root of 1131120430 is about 1041.9245766783.

Adding to 1131120430 its reverse (340211311), we get a palindrome (1471331741).

The spelling of 1131120430 in words is "one billion, one hundred thirty-one million, one hundred twenty thousand, four hundred thirty".