1122315629 has 4 divisors (see below), whose sum is σ = 1122402684. Its totient is φ = 1122228576.

The previous prime is 1122315619. The next prime is 1122315643. The reversal of 1122315629 is 9265132211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 681105604 + 441210025 = 26098^2 + 21005^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122315629 - 2⁸ = 1122315373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122315595 and 1122315604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122315619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19922 + ... + 51395.

It is an arithmetic number, because the mean of its divisors is an integer number (280600671).

Almost surely, 2^1122315629 is an apocalyptic number.

It is an amenable number.

1122315629 is a deficient number, since it is larger than the sum of its proper divisors (87055).

1122315629 is an equidigital number, since it uses as much as digits as its factorization.

1122315629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87054.

The product of its digits is 6480, while the sum is 32.

The square root of 1122315629 is about 33500.9795229931. The cubic root of 1122315629 is about 1039.2140354215.

The spelling of 1122315629 in words is "one billion, one hundred twenty-two million, three hundred fifteen thousand, six hundred twenty-nine".