1225783077484 has 24 divisors (see below), whose sum is σ = 2474477994240. Its totient is φ = 520425924816.

The previous prime is 1225783077461. The next prime is 1225783077509. The reversal of 1225783077484 is 4847703875221.

It is a super-2 number, since 2×1225783077484² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204566944 + ... + 204572935.

It is an arithmetic number, because the mean of its divisors is an integer number (103103249760).

Almost surely, 2^{1225783077484} is an apocalyptic number.

1225783077484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1225783077484 is an abundant number, since it is smaller than the sum of its proper divisors (1248694916756).

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

1225783077484 is a wasteful number, since it uses less digits than its factorization.

1225783077484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409139997 (or 409139995 counting only the distinct ones).

The product of its (nonzero) digits is 21073920, while the sum is 58.

The spelling of 1225783077484 in words is "one trillion, two hundred twenty-five billion, seven hundred eighty-three million, seventy-seven thousand, four hundred eighty-four".