1121250004 has 48 divisors (see below), whose sum is σ = 2273660928. Its totient is φ = 473901408.

The previous prime is 1121249993. The next prime is 1121250007. The reversal of 1121250004 is 4000521211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121250004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121250007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 787237 + ... + 788659.

It is an arithmetic number, because the mean of its divisors is an integer number (47367936).

Almost surely, 2^1121250004 is an apocalyptic number.

1121250004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1121250004 is an abundant number, since it is smaller than the sum of its proper divisors (1152410924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121250004 is a wasteful number, since it uses less digits than its factorization.

1121250004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804 (or 1802 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1121250004 is about 33485.0713602345. The cubic root of 1121250004 is about 1038.8850242520.

Adding to 1121250004 its reverse (4000521211), we get a palindrome (5121771215).

It can be divided in two parts, 11212 and 50004, that added together give a palindrome (61216).

The spelling of 1121250004 in words is "one billion, one hundred twenty-one million, two hundred fifty thousand, four".