1225085861004 has 24 divisors (see below), whose sum is σ = 2862120314928. Its totient is φ = 407849576640.

The previous prime is 1225085860997. The next prime is 1225085861011. The reversal of 1225085861004 is 4001685805221.

It is an interprime number because it is at equal distance from previous prime (1225085860997) and next prime (1225085861011).

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, 64037167 + ... + 64056294.

It is an arithmetic number, because the mean of its divisors is an integer number (119255013122).

Almost surely, 2^{1225085861004} is an apocalyptic number.

It is an amenable number.

1225085861004 is an abundant number, since it is smaller than the sum of its proper divisors (1637034453924).

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

1225085861004 is a wasteful number, since it uses less digits than its factorization.

1225085861004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128094265 (or 128094263 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The spelling of 1225085861004 in words is "one trillion, two hundred twenty-five billion, eighty-five million, eight hundred sixty-one thousand, four".