1225508152 has 16 divisors (see below), whose sum is σ = 2506721400. Its totient is φ = 557049120.

The previous prime is 1225508147. The next prime is 1225508161. The reversal of 1225508152 is 2518055221.

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 3 ways as a sum of consecutive naturals, for example, 6963027 + ... + 6963202.

Almost surely, 2^1225508152 is an apocalyptic number.

It is an amenable number.

1225508152 is an abundant number, since it is smaller than the sum of its proper divisors (1281213248).

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

1225508152 is a wasteful number, since it uses less digits than its factorization.

1225508152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13926246 (or 13926242 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 31.

The square root of 1225508152 is about 35007.2585616183. The cubic root of 1225508152 is about 1070.1354101200.

The spelling of 1225508152 in words is "one billion, two hundred twenty-five million, five hundred eight thousand, one hundred fifty-two".