1025111452 has 6 divisors (see below), whose sum is σ = 1793945048. Its totient is φ = 512555724.

The previous prime is 1025111447. The next prime is 1025111453. The reversal of 1025111452 is 2541115201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025111453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128138928 + ... + 128138935.

Almost surely, 2^1025111452 is an apocalyptic number.

It is an amenable number.

1025111452 is a deficient number, since it is larger than the sum of its proper divisors (768833596).

1025111452 is a wasteful number, since it uses less digits than its factorization.

1025111452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256277867 (or 256277865 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1025111452 is about 32017.3617276627. The cubic root of 1025111452 is about 1008.3013803928.

Adding to 1025111452 its reverse (2541115201), we get a palindrome (3566226653).

The spelling of 1025111452 in words is "one billion, twenty-five million, one hundred eleven thousand, four hundred fifty-two".