1245366080 has 56 divisors (see below), whose sum is σ = 3389180928. Its totient is φ = 426981888.

The previous prime is 1245366071. The next prime is 1245366139. The reversal of 1245366080 is 806635421.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1245366080.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275744 + ... + 280223.

It is an arithmetic number, because the mean of its divisors is an integer number (60521088).

Almost surely, 2^1245366080 is an apocalyptic number.

1245366080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1245366080 is an abundant number, since it is smaller than the sum of its proper divisors (2143814848).

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

1245366080 is an equidigital number, since it uses as much as digits as its factorization.

1245366080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555991 (or 555981 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 1245366080 is about 35289.7446859566. The cubic root of 1245366080 is about 1075.8845663262.

The spelling of 1245366080 in words is "one billion, two hundred forty-five million, three hundred sixty-six thousand, eighty".