1225315052 has 96 divisors (see below), whose sum is σ = 2568835584. Its totient is φ = 505958400.

The previous prime is 1225314913. The next prime is 1225315081. The reversal of 1225315052 is 2505135221.

It is a Harshad number since it is a multiple of its sum of digits (26).

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 31 ways as a sum of consecutive naturals, for example, 1671278 + ... + 1672010.

It is an arithmetic number, because the mean of its divisors is an integer number (26758704).

Almost surely, 2^1225315052 is an apocalyptic number.

It is an amenable number.

1225315052 is an abundant number, since it is smaller than the sum of its proper divisors (1343520532).

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

1225315052 is a wasteful number, since it uses less digits than its factorization.

1225315052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859 (or 857 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1225315052 is about 35004.5004535131. The cubic root of 1225315052 is about 1070.0792010551.

The spelling of 1225315052 in words is "one billion, two hundred twenty-five million, three hundred fifteen thousand, fifty-two".