1130228477 has 4 divisors (see below), whose sum is σ = 1291689696. Its totient is φ = 968767260.

The previous prime is 1130228467. The next prime is 1130228479. The reversal of 1130228477 is 7748220311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1130228477 - 2¹⁰ = 1130227453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130228479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80730599 + ... + 80730612.

It is an arithmetic number, because the mean of its divisors is an integer number (322922424).

Almost surely, 2^1130228477 is an apocalyptic number.

It is an amenable number.

1130228477 is a deficient number, since it is larger than the sum of its proper divisors (161461219).

1130228477 is an equidigital number, since it uses as much as digits as its factorization.

1130228477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161461218.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 1130228477 is about 33618.8708465945. The cubic root of 1130228477 is about 1041.6506323320.

Adding to 1130228477 its reverse (7748220311), we get a palindrome (8878448788).

The spelling of 1130228477 in words is "one billion, one hundred thirty million, two hundred twenty-eight thousand, four hundred seventy-seven".