1121230401 has 8 divisors (see below), whose sum is σ = 1495983840. Its totient is φ = 746981952.

The previous prime is 1121230399. The next prime is 1121230421. The reversal of 1121230401 is 1040321211.

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

It is not a de Polignac number, because 1121230401 - 2¹ = 1121230399 is a prime.

It is a super-2 number, since 2×1121230401² = 2514315224253241602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121230421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121035 + ... + 129968.

It is an arithmetic number, because the mean of its divisors is an integer number (186997980).

Almost surely, 2^1121230401 is an apocalyptic number.

It is an amenable number.

1121230401 is a deficient number, since it is larger than the sum of its proper divisors (374753439).

1121230401 is a wasteful number, since it uses less digits than its factorization.

1121230401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252495.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1121230401 is about 33484.7786464238. The cubic root of 1121230401 is about 1038.8789698836.

Adding to 1121230401 its reverse (1040321211), we get a palindrome (2161551612).

The spelling of 1121230401 in words is "one billion, one hundred twenty-one million, two hundred thirty thousand, four hundred one".