1011223004 has 24 divisors (see below), whose sum is σ = 1935011568. Its totient is φ = 458576640.

The previous prime is 1011222977. The next prime is 1011223013. The reversal of 1011223004 is 4003221101.

It is a self number, because there is not a number n which added to its sum of digits gives 1011223004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7487 + ... + 45590.

It is an arithmetic number, because the mean of its divisors is an integer number (80625482).

Almost surely, 2^1011223004 is an apocalyptic number.

It is an amenable number.

1011223004 is a deficient number, since it is larger than the sum of its proper divisors (923788564).

1011223004 is a wasteful number, since it uses less digits than its factorization.

1011223004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53525 (or 53523 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1011223004 is about 31799.7327661727. The cubic root of 1011223004 is about 1003.7270928542.

Adding to 1011223004 its reverse (4003221101), we get a palindrome (5014444105).

The spelling of 1011223004 in words is "one billion, eleven million, two hundred twenty-three thousand, four".