1225270700 has 36 divisors (see below), whose sum is σ = 2703915480. Its totient is φ = 481799040.

The previous prime is 1225270667. The next prime is 1225270703. The reversal of 1225270700 is 70725221.

It is a self number, because there is not a number n which added to its sum of digits gives 1225270700.

It is not an unprimeable number, because it can be changed into a prime (1225270703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97937 + ... + 109736.

Almost surely, 2^1225270700 is an apocalyptic number.

1225270700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1225270700 is an abundant number, since it is smaller than the sum of its proper divisors (1478644780).

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

1225270700 is a wasteful number, since it uses less digits than its factorization.

1225270700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207746 (or 207739 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 1225270700 is about 35003.8669292408. The cubic root of 1225270700 is about 1070.0662898925.

Adding to 1225270700 its reverse (70725221), we get a palindrome (1295995921).

The spelling of 1225270700 in words is "one billion, two hundred twenty-five million, two hundred seventy thousand, seven hundred".