1131101204 has 24 divisors (see below), whose sum is σ = 1997775528. Its totient is φ = 560332800.

The previous prime is 1131101203. The next prime is 1131101207. The reversal of 1131101204 is 4021011311.

It can be written as a sum of positive squares in 4 ways, for example, as 559795600 + 571305604 = 23660^2 + 23902^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131101203) 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, 195554 + ... + 201254.

It is an arithmetic number, because the mean of its divisors is an integer number (83240647).

Almost surely, 2^1131101204 is an apocalyptic number.

It is an amenable number.

1131101204 is a deficient number, since it is larger than the sum of its proper divisors (866674324).

1131101204 is a wasteful number, since it uses less digits than its factorization.

1131101204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6155 (or 6153 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1131101204 is about 33631.8480610269. The cubic root of 1131101204 is about 1041.9186733413.

Adding to 1131101204 its reverse (4021011311), we get a palindrome (5152112515).

The spelling of 1131101204 in words is "one billion, one hundred thirty-one million, one hundred one thousand, two hundred four".