1021202452 has 12 divisors (see below), whose sum is σ = 1808636256. Its totient is φ = 504449240.

The previous prime is 1021202449. The next prime is 1021202459. The reversal of 1021202452 is 2542021201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021202459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537624 + ... + 1538287.

It is an arithmetic number, because the mean of its divisors is an integer number (150719688).

Almost surely, 2^1021202452 is an apocalyptic number.

It is an amenable number.

1021202452 is a deficient number, since it is larger than the sum of its proper divisors (787433804).

1021202452 is a wasteful number, since it uses less digits than its factorization.

1021202452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075998 (or 3075996 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1021202452 is about 31956.2584167796. The cubic root of 1021202452 is about 1007.0181148408.

Adding to 1021202452 its reverse (2542021201), we get a palindrome (3563223653).

The spelling of 1021202452 in words is "one billion, twenty-one million, two hundred two thousand, four hundred fifty-two".