1171204004 has 24 divisors (see below), whose sum is σ = 2159236800. Its totient is φ = 554329440.

The previous prime is 1171203997. The next prime is 1171204009. The reversal of 1171204004 is 4004021711.

It is not an unprimeable number, because it can be changed into a prime (1171204009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99377 + ... + 110535.

It is an arithmetic number, because the mean of its divisors is an integer number (89968200).

Almost surely, 2^1171204004 is an apocalyptic number.

It is an amenable number.

1171204004 is a deficient number, since it is larger than the sum of its proper divisors (988032796).

1171204004 is a wasteful number, since it uses less digits than its factorization.

1171204004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12563 (or 12561 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 1171204004 is about 34222.8579168953. The cubic root of 1171204004 is about 1054.0895701179.

Adding to 1171204004 its reverse (4004021711), we get a palindrome (5175225715).

The spelling of 1171204004 in words is "one billion, one hundred seventy-one million, two hundred four thousand, four".