1120121276 has 72 divisors (see below), whose sum is σ = 2121710976. Its totient is φ = 516922560.

The previous prime is 1120121273. The next prime is 1120121287. The reversal of 1120121276 is 6721210211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120121273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15776321 + ... + 15776391.

It is an arithmetic number, because the mean of its divisors is an integer number (29468208).

Almost surely, 2^1120121276 is an apocalyptic number.

It is an amenable number.

1120121276 is a deficient number, since it is larger than the sum of its proper divisors (1001589700).

1120121276 is a wasteful number, since it uses less digits than its factorization.

1120121276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 1120121276 is about 33468.2129191267. The cubic root of 1120121276 is about 1038.5363026432.

Adding to 1120121276 its reverse (6721210211), we get a palindrome (7841331487).

The spelling of 1120121276 in words is "one billion, one hundred twenty million, one hundred twenty-one thousand, two hundred seventy-six".