1122203140 has 24 divisors (see below), whose sum is σ = 2437890840. Its totient is φ = 433402368.

The previous prime is 1122203107. The next prime is 1122203219. The reversal of 1122203140 is 413022211.

It can be written as a sum of positive squares in 4 ways, for example, as 247936516 + 874266624 = 15746^2 + 29568^2 .

It is an unprimeable number.

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, 966837 + ... + 967996.

It is an arithmetic number, because the mean of its divisors is an integer number (101578785).

Almost surely, 2^1122203140 is an apocalyptic number.

1122203140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122203140 is an abundant number, since it is smaller than the sum of its proper divisors (1315687700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122203140 is a wasteful number, since it uses less digits than its factorization.

1122203140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934871 (or 1934869 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1122203140 is about 33499.3005897138. The cubic root of 1122203140 is about 1039.1793143352.

Adding to 1122203140 its reverse (413022211), we get a palindrome (1535225351).

The spelling of 1122203140 in words is "one billion, one hundred twenty-two million, two hundred three thousand, one hundred forty".