1225326080 has 160 divisors (see below), whose sum is σ = 3269442528. Its totient is φ = 436633600.

The previous prime is 1225326061. The next prime is 1225326107. The reversal of 1225326080 is 806235221.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1492070 + ... + 1492890.

Almost surely, 2^1225326080 is an apocalyptic number.

1225326080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225326080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1634721264).

1225326080 is an abundant number, since it is smaller than the sum of its proper divisors (2044116448).

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

1225326080 is an equidigital number, since it uses as much as digits as its factorization.

1225326080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 892 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1225326080 is about 35004.6579757609. The cubic root of 1225326080 is about 1070.0824113309.

The spelling of 1225326080 in words is "one billion, two hundred twenty-five million, three hundred twenty-six thousand, eighty".