1225803004 has 12 divisors (see below), whose sum is σ = 2152478664. Its totient is φ = 610809104.

The previous prime is 1225802999. The next prime is 1225803043. The reversal of 1225803004 is 4003085221.

It is a self number, because there is not a number n which added to its sum of digits gives 1225803004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521782 + ... + 524125.

It is an arithmetic number, because the mean of its divisors is an integer number (179373222).

Almost surely, 2^1225803004 is an apocalyptic number.

It is an amenable number.

1225803004 is a deficient number, since it is larger than the sum of its proper divisors (926675660).

1225803004 is a wasteful number, since it uses less digits than its factorization.

1225803004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046204 (or 1046202 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1225803004 is about 35011.4696064018. The cubic root of 1225803004 is about 1070.2212265665.

Adding to 1225803004 its reverse (4003085221), we get a palindrome (5228888225).

The spelling of 1225803004 in words is "one billion, two hundred twenty-five million, eight hundred three thousand, four".