1025054142 has 128 divisors (see below), whose sum is σ = 2560896000. Its totient is φ = 266996736.

The previous prime is 1025054137. The next prime is 1025054159. The reversal of 1025054142 is 2414505201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4399258 + ... + 4399490.

It is an arithmetic number, because the mean of its divisors is an integer number (20007000).

Almost surely, 2^1025054142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025054142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1280448000).

1025054142 is an abundant number, since it is smaller than the sum of its proper divisors (1535841858).

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

1025054142 is a wasteful number, since it uses less digits than its factorization.

1025054142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1025054142 is about 32016.4667319803. The cubic root of 1025054142 is about 1008.2825899712.

Adding to 1025054142 its reverse (2414505201), we get a palindrome (3439559343).

The spelling of 1025054142 in words is "one billion, twenty-five million, fifty-four thousand, one hundred forty-two".