1122361631 has 4 divisors (see below), whose sum is σ = 1140761064. Its totient is φ = 1103962200.

The previous prime is 1122361609. The next prime is 1122361651. The reversal of 1122361631 is 1361632211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1361632211 = 601 ⋅2265611.

It is a cyclic number.

It is not a de Polignac number, because 1122361631 - 2¹⁴ = 1122345247 is a prime.

It is a super-2 number, since 2×1122361631² = 2519391261481960322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122361631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122361651) 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, 9199625 + ... + 9199746.

It is an arithmetic number, because the mean of its divisors is an integer number (285190266).

Almost surely, 2^1122361631 is an apocalyptic number.

1122361631 is a deficient number, since it is larger than the sum of its proper divisors (18399433).

1122361631 is an equidigital number, since it uses as much as digits as its factorization.

1122361631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18399432.

The product of its digits is 1296, while the sum is 26.

The square root of 1122361631 is about 33501.6660928975. Note that the first 3 decimals coincide. The cubic root of 1122361631 is about 1039.2282338251.

Adding to 1122361631 its reverse (1361632211), we get a palindrome (2483993842).

The spelling of 1122361631 in words is "one billion, one hundred twenty-two million, three hundred sixty-one thousand, six hundred thirty-one".