1052215655 has 4 divisors (see below), whose sum is σ = 1262658792. Its totient is φ = 841772520.

The previous prime is 1052215639. The next prime is 1052215667. The reversal of 1052215655 is 5565122501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1052215655 - 2⁴ = 1052215639 is a prime.

It is a super-2 number, since 2×1052215655² = 2214315569254158050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105221561 + ... + 105221570.

It is an arithmetic number, because the mean of its divisors is an integer number (315664698).

Almost surely, 2^1052215655 is an apocalyptic number.

1052215655 is a deficient number, since it is larger than the sum of its proper divisors (210443137).

1052215655 is an equidigital number, since it uses as much as digits as its factorization.

1052215655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210443136.

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 1052215655 is about 32437.8737743398. The cubic root of 1052215655 is about 1017.1107699953.

The spelling of 1052215655 in words is "one billion, fifty-two million, two hundred fifteen thousand, six hundred fifty-five".