1052425140 has 96 divisors (see below), whose sum is σ = 3190365696. Its totient is φ = 257679360.

The previous prime is 1052425133. The next prime is 1052425163. The reversal of 1052425140 is 415242501.

It is a super-2 number, since 2×1052425140² = 2215197350608039200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1052425140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147045 + ... + 154035.

It is an arithmetic number, because the mean of its divisors is an integer number (33232976).

Almost surely, 2^1052425140 is an apocalyptic number.

1052425140 is a gapful number since it is divisible by the number (10) 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 1052425140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1595182848).

1052425140 is an abundant number, since it is smaller than the sum of its proper divisors (2137940556).

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

1052425140 is a wasteful number, since it uses less digits than its factorization.

1052425140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7209 (or 7207 counting only the distinct ones).

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

The square root of 1052425140 is about 32441.1026323089. The cubic root of 1052425140 is about 1017.1782641793.

Adding to 1052425140 its reverse (415242501), we get a palindrome (1467667641).

The spelling of 1052425140 in words is "one billion, fifty-two million, four hundred twenty-five thousand, one hundred forty".