1121231301 has 32 divisors (see below), whose sum is σ = 1591707648. Its totient is φ = 700539840.

The previous prime is 1121231297. The next prime is 1121231303. The reversal of 1121231301 is 1031321211.

It is a happy number.

It is not a de Polignac number, because 1121231301 - 2² = 1121231297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121231303) 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 31 ways as a sum of consecutive naturals, for example, 2049510 + ... + 2050056.

It is an arithmetic number, because the mean of its divisors is an integer number (49740864).

Almost surely, 2^1121231301 is an apocalyptic number.

It is an amenable number.

1121231301 is a deficient number, since it is larger than the sum of its proper divisors (470476347).

1121231301 is a wasteful number, since it uses less digits than its factorization.

1121231301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121.

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

The square root of 1121231301 is about 33484.7920853632. The cubic root of 1121231301 is about 1038.8792478493.

Adding to 1121231301 its reverse (1031321211), we get a palindrome (2152552512).

The spelling of 1121231301 in words is "one billion, one hundred twenty-one million, two hundred thirty-one thousand, three hundred one".