1055122415 has 4 divisors (see below), whose sum is σ = 1266146904. Its totient is φ = 844097928.

The previous prime is 1055122403. The next prime is 1055122423. The reversal of 1055122415 is 5142215501.

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

It is a cyclic number.

It is not a de Polignac number, because 1055122415 - 2²² = 1050928111 is a prime.

It is a super-4 number, since 4×1055122415⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105512237 + ... + 105512246.

It is an arithmetic number, because the mean of its divisors is an integer number (316536726).

Almost surely, 2^1055122415 is an apocalyptic number.

1055122415 is a deficient number, since it is larger than the sum of its proper divisors (211024489).

1055122415 is an equidigital number, since it uses as much as digits as its factorization.

1055122415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211024488.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1055122415 is about 32482.6479062283. The cubic root of 1055122415 is about 1018.0465029584.

Adding to 1055122415 its reverse (5142215501), we get a palindrome (6197337916).

The spelling of 1055122415 in words is "one billion, fifty-five million, one hundred twenty-two thousand, four hundred fifteen".