1225071084 has 12 divisors (see below), whose sum is σ = 2858499224. Its totient is φ = 408357024.

The previous prime is 1225071013. The next prime is 1225071101. The reversal of 1225071084 is 4801705221.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 51044617 + ... + 51044640.

Almost surely, 2^1225071084 is an apocalyptic number.

It is an amenable number.

1225071084 is an abundant number, since it is smaller than the sum of its proper divisors (1633428140).

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

1225071084 is a wasteful number, since it uses less digits than its factorization.

1225071084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102089264 (or 102089262 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 1225071084 is about 35001.0154709831. The cubic root of 1225071084 is about 1070.0081764886.

The spelling of 1225071084 in words is "one billion, two hundred twenty-five million, seventy-one thousand, eighty-four".