1225103340 has 48 divisors (see below), whose sum is σ = 3436392960. Its totient is φ = 326112960.

The previous prime is 1225103311. The next prime is 1225103357. The reversal of 1225103340 is 433015221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16381 + ... + 52139.

It is an arithmetic number, because the mean of its divisors is an integer number (71591520).

Almost surely, 2^1225103340 is an apocalyptic number.

1225103340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1225103340 is an abundant number, since it is smaller than the sum of its proper divisors (2211289620).

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

1225103340 is a wasteful number, since it uses less digits than its factorization.

1225103340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36342 (or 36340 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1225103340 is about 35001.4762545810. The cubic root of 1225103340 is about 1070.0175674759.

Adding to 1225103340 its reverse (433015221), we get a palindrome (1658118561).

The spelling of 1225103340 in words is "one billion, two hundred twenty-five million, one hundred three thousand, three hundred forty".