1210025652 has 144 divisors (see below), whose sum is σ = 3233266176. Its totient is φ = 351648000.

The previous prime is 1210025651. The next prime is 1210025671. The reversal of 1210025652 is 2565200121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210025651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5426013 + ... + 5426235.

Almost surely, 2^1210025652 is an apocalyptic number.

1210025652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210025652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1616633088).

1210025652 is an abundant number, since it is smaller than the sum of its proper divisors (2023240524).

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

1210025652 is a wasteful number, since it uses less digits than its factorization.

1210025652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1210025652 is about 34785.4229814731. The cubic root of 1210025652 is about 1065.6097669692.

Adding to 1210025652 its reverse (2565200121), we get a palindrome (3775225773).

The spelling of 1210025652 in words is "one billion, two hundred ten million, twenty-five thousand, six hundred fifty-two".