1241312004 has 18 divisors (see below), whose sum is σ = 3137760990. Its totient is φ = 413770656.

The previous prime is 1241311987. The next prime is 1241312021. The reversal of 1241312004 is 4002131421.

It is an interprime number because it is at equal distance from previous prime (1241311987) and next prime (1241312021).

It can be written as a sum of positive squares in only one way, i.e., 1211040000 + 30272004 = 34800^2 + 5502^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17240409 + ... + 17240480.

It is an arithmetic number, because the mean of its divisors is an integer number (174320055).

Almost surely, 2^1241312004 is an apocalyptic number.

It is an amenable number.

1241312004 is an abundant number, since it is smaller than the sum of its proper divisors (1896448986).

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

1241312004 is a wasteful number, since it uses less digits than its factorization.

1241312004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34480899 (or 34480894 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1241312004 is about 35232.2580031425. The cubic root of 1241312004 is about 1074.7158445639.

Adding to 1241312004 its reverse (4002131421), we get a palindrome (5243443425).

The spelling of 1241312004 in words is "one billion, two hundred forty-one million, three hundred twelve thousand, four".