1130021444 has 12 divisors (see below), whose sum is σ = 1979539968. Its totient is φ = 564438600.

The previous prime is 1130021443. The next prime is 1130021449. The reversal of 1130021444 is 4441200311.

It is not an unprimeable number, because it can be changed into a prime (1130021443) 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, 138572 + ... + 146499.

It is an arithmetic number, because the mean of its divisors is an integer number (164961664).

Almost surely, 2^1130021444 is an apocalyptic number.

It is an amenable number.

1130021444 is a deficient number, since it is larger than the sum of its proper divisors (849518524).

1130021444 is a wasteful number, since it uses less digits than its factorization.

1130021444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286066 (or 286064 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1130021444 is about 33615.7915866933. The cubic root of 1130021444 is about 1041.5870259525.

Adding to 1130021444 its reverse (4441200311), we get a palindrome (5571221755).

The spelling of 1130021444 in words is "one billion, one hundred thirty million, twenty-one thousand, four hundred forty-four".