1052193990 has 32 divisors (see below), whose sum is σ = 2528918496. Its totient is φ = 280179200.

The previous prime is 1052193977. The next prime is 1052194007. The reversal of 1052193990 is 993912501.

It is a super-2 number, since 2×1052193990² = 2214224385184240200, 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, 3987 + ... + 46046.

It is an arithmetic number, because the mean of its divisors is an integer number (79028703).

Almost surely, 2^1052193990 is an apocalyptic number.

1052193990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1052193990 is an abundant number, since it is smaller than the sum of its proper divisors (1476724506).

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

1052193990 is a wasteful number, since it uses less digits than its factorization.

1052193990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50744.

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 1052193990 is about 32437.5398265651. The cubic root of 1052193990 is about 1017.1037892159.

The spelling of 1052193990 in words is "one billion, fifty-two million, one hundred ninety-three thousand, nine hundred ninety".