1052420460 has 144 divisors (see below), whose sum is σ = 3646976256. Its totient is φ = 222034176.

The previous prime is 1052420449. The next prime is 1052420471. The reversal of 1052420460 is 640242501.

It is an interprime number because it is at equal distance from previous prime (1052420449) and next prime (1052420471).

It is a super-2 number, since 2×1052420460² = 2215177649253223200, 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 1052420460.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63567 + ... + 78393.

It is an arithmetic number, because the mean of its divisors is an integer number (25326224).

Almost surely, 2^1052420460 is an apocalyptic number.

1052420460 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 1052420460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1823488128).

1052420460 is an abundant number, since it is smaller than the sum of its proper divisors (2594555796).

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

1052420460 is a wasteful number, since it uses less digits than its factorization.

1052420460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14872 (or 14857 counting only the distinct ones).

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

The square root of 1052420460 is about 32441.0305015115. The cubic root of 1052420460 is about 1017.1767564232.

Adding to 1052420460 its reverse (640242501), we get a palindrome (1692662961).

The spelling of 1052420460 in words is "one billion, fifty-two million, four hundred twenty thousand, four hundred sixty".