1131241004 has 12 divisors (see below), whose sum is σ = 2027956728. Its totient is φ = 551824800.

The previous prime is 1131240983. The next prime is 1131241009. The reversal of 1131241004 is 4001421311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1131241009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3448742 + ... + 3449069.

It is an arithmetic number, because the mean of its divisors is an integer number (168996394).

Almost surely, 2^1131241004 is an apocalyptic number.

It is an amenable number.

1131241004 is a deficient number, since it is larger than the sum of its proper divisors (896715724).

1131241004 is a wasteful number, since it uses less digits than its factorization.

1131241004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6897856 (or 6897854 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1131241004 is about 33633.9263839356. The cubic root of 1131241004 is about 1041.9615973606.

Adding to 1131241004 its reverse (4001421311), we get a palindrome (5132662315).

The spelling of 1131241004 in words is "one billion, one hundred thirty-one million, two hundred forty-one thousand, four".