1052239000 has 64 divisors (see below), whose sum is σ = 2591877600. Its totient is φ = 398736000.

The previous prime is 1052238989. The next prime is 1052239007. The reversal of 1052239000 is 9322501.

It is a super-2 number, since 2×1052239000² = 2214413826242000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052239007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8691 + ... + 46690.

Almost surely, 2^1052239000 is an apocalyptic number.

1052239000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052239000 is an abundant number, since it is smaller than the sum of its proper divisors (1539638600).

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

1052239000 is a wasteful number, since it uses less digits than its factorization.

1052239000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55421 (or 55407 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1052239000 is about 32438.2336140549. The cubic root of 1052239000 is about 1017.1182919879.

The spelling of 1052239000 in words is "one billion, fifty-two million, two hundred thirty-nine thousand".