1223100140 has 12 divisors (see below), whose sum is σ = 2568510336. Its totient is φ = 489240048.

The previous prime is 1223100107. The next prime is 1223100161. The reversal of 1223100140 is 410013221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30577484 + ... + 30577523.

It is an arithmetic number, because the mean of its divisors is an integer number (214042528).

Almost surely, 2^1223100140 is an apocalyptic number.

1223100140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223100140 is an abundant number, since it is smaller than the sum of its proper divisors (1345410196).

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

1223100140 is a wasteful number, since it uses less digits than its factorization.

1223100140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61155016 (or 61155014 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1223100140 is about 34972.8486114586. The cubic root of 1223100140 is about 1069.4340443123.

Adding to 1223100140 its reverse (410013221), we get a palindrome (1633113361).

The spelling of 1223100140 in words is "one billion, two hundred twenty-three million, one hundred thousand, one hundred forty".