1110021452 has 6 divisors (see below), whose sum is σ = 1942537548. Its totient is φ = 555010724.

The previous prime is 1110021449. The next prime is 1110021463. The reversal of 1110021452 is 2541200111.

It is a self number, because there is not a number n which added to its sum of digits gives 1110021452.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138752678 + ... + 138752685.

It is an arithmetic number, because the mean of its divisors is an integer number (323756258).

Almost surely, 2^1110021452 is an apocalyptic number.

It is an amenable number.

1110021452 is a deficient number, since it is larger than the sum of its proper divisors (832516096).

1110021452 is a wasteful number, since it uses less digits than its factorization.

1110021452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277505367 (or 277505365 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1110021452 is about 33316.9844373707. The cubic root of 1110021452 is about 1035.4054754881.

Adding to 1110021452 its reverse (2541200111), we get a palindrome (3651221563).

The spelling of 1110021452 in words is "one billion, one hundred ten million, twenty-one thousand, four hundred fifty-two".