1052152420 has 24 divisors (see below), whose sum is σ = 2410386048. Its totient is φ = 382600800.

The previous prime is 1052152363. The next prime is 1052152421. The reversal of 1052152420 is 242512501.

It is a super-2 number, since 2×1052152420² = 2214049429823712800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1052152391 and 1052152400.

It is not an unprimeable number, because it can be changed into a prime (1052152421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2391036 + ... + 2391475.

It is an arithmetic number, because the mean of its divisors is an integer number (100432752).

Almost surely, 2^1052152420 is an apocalyptic number.

1052152420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052152420 is an abundant number, since it is smaller than the sum of its proper divisors (1358233628).

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

1052152420 is a wasteful number, since it uses less digits than its factorization.

1052152420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782531 (or 4782529 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1052152420 is about 32436.8990503100. The cubic root of 1052152420 is about 1017.0903944865.

Adding to 1052152420 its reverse (242512501), we get a palindrome (1294664921).

The spelling of 1052152420 in words is "one billion, fifty-two million, one hundred fifty-two thousand, four hundred twenty".