1225653036 has 24 divisors (see below), whose sum is σ = 2861214720. Its totient is φ = 408357072.

The previous prime is 1225653019. The next prime is 1225653047. The reversal of 1225653036 is 6303565221.

It is a junction number, because it is equal to n+sod(n) for n = 1225652988 and 1225653006.

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, 3345 + ... + 49623.

It is an arithmetic number, because the mean of its divisors is an integer number (119217280).

Almost surely, 2^1225653036 is an apocalyptic number.

It is an amenable number.

1225653036 is an abundant number, since it is smaller than the sum of its proper divisors (1635561684).

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

1225653036 is a wasteful number, since it uses less digits than its factorization.

1225653036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48493 (or 48491 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 1225653036 is about 35009.3278427336. The cubic root of 1225653036 is about 1070.1775802160.

The spelling of 1225653036 in words is "one billion, two hundred twenty-five million, six hundred fifty-three thousand, thirty-six".