1226980900 has 36 divisors (see below), whose sum is σ = 2677298260. Its totient is φ = 488073600.

The previous prime is 1226980873. The next prime is 1226980907. The reversal of 1226980900 is 90896221.

It can be written as a sum of positive squares in 6 ways, for example, as 60621796 + 1166359104 = 7786^2 + 34152^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1226980900.

It is not an unprimeable number, because it can be changed into a prime (1226980907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15795 + ... + 51994.

Almost surely, 2^1226980900 is an apocalyptic number.

1226980900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1226980900 is an abundant number, since it is smaller than the sum of its proper divisors (1450317360).

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

1226980900 is a wasteful number, since it uses less digits than its factorization.

1226980900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67984 (or 67977 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1226980900 is about 35028.2871405383. The cubic root of 1226980900 is about 1070.5639150552.

The spelling of 1226980900 in words is "one billion, two hundred twenty-six million, nine hundred eighty thousand, nine hundred".