1225235024 has 80 divisors (see below), whose sum is σ = 2683494912. Its totient is φ = 537698304.

The previous prime is 1225235003. The next prime is 1225235051. The reversal of 1225235024 is 4205325221.

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

It is a junction number, because it is equal to n+sod(n) for n = 1225234984 and 1225235002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922649 + ... + 923975.

Almost surely, 2^1225235024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225235024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1341747456).

1225235024 is an abundant number, since it is smaller than the sum of its proper divisors (1458259888).

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

1225235024 is a wasteful number, since it uses less digits than its factorization.

1225235024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564 (or 1558 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1225235024 is about 35003.3573246910. The cubic root of 1225235024 is about 1070.0559041453.

The spelling of 1225235024 in words is "one billion, two hundred twenty-five million, two hundred thirty-five thousand, twenty-four".