1121133201 has 8 divisors (see below), whose sum is σ = 1495976064. Its totient is φ = 746856240.

The previous prime is 1121133103. The next prime is 1121133227. The reversal of 1121133201 is 1023311211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1121133201 - 2²⁵ = 1087578769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121133241) 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, 136830 + ... + 144791.

It is an arithmetic number, because the mean of its divisors is an integer number (186997008).

Almost surely, 2^1121133201 is an apocalyptic number.

It is an amenable number.

1121133201 is a deficient number, since it is larger than the sum of its proper divisors (374842863).

1121133201 is a wasteful number, since it uses less digits than its factorization.

1121133201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282951.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1121133201 is about 33483.3272092246. The cubic root of 1121133201 is about 1038.8489487110.

Adding to 1121133201 its reverse (1023311211), we get a palindrome (2144444412).

The spelling of 1121133201 in words is "one billion, one hundred twenty-one million, one hundred thirty-three thousand, two hundred one".