1025243142 has 32 divisors (see below), whose sum is σ = 2556451584. Its totient is φ = 266296800.

The previous prime is 1025243099. The next prime is 1025243159. The reversal of 1025243142 is 2413425201.

It is a super-2 number, since 2×1025243142² = 2102247000436064328, which contains 22 as substring.

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, 1109109 + ... + 1110032.

It is an arithmetic number, because the mean of its divisors is an integer number (79889112).

Almost surely, 2^1025243142 is an apocalyptic number.

1025243142 is an abundant number, since it is smaller than the sum of its proper divisors (1531208442).

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

1025243142 is a wasteful number, since it uses less digits than its factorization.

1025243142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219164.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1025243142 is about 32019.4182020848. The cubic root of 1025243142 is about 1008.3445553806.

Adding to 1025243142 its reverse (2413425201), we get a palindrome (3438668343).

The spelling of 1025243142 in words is "one billion, twenty-five million, two hundred forty-three thousand, one hundred forty-two".