1122023554 has 4 divisors (see below), whose sum is σ = 1683035334. Its totient is φ = 561011776.

The previous prime is 1122023533. The next prime is 1122023597. The reversal of 1122023554 is 4553202211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4553202211 = 6761 ⋅673451.

It can be written as a sum of positive squares in only one way, i.e., 1037806225 + 84217329 = 32215^2 + 9177^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280505887 + ... + 280505890.

Almost surely, 2^1122023554 is an apocalyptic number.

1122023554 is a deficient number, since it is larger than the sum of its proper divisors (561011780).

1122023554 is an equidigital number, since it uses as much as digits as its factorization.

1122023554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561011779.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1122023554 is about 33496.6200384457. The cubic root of 1122023554 is about 1039.1238781414.

Adding to 1122023554 its reverse (4553202211), we get a palindrome (5675225765).

The spelling of 1122023554 in words is "one billion, one hundred twenty-two million, twenty-three thousand, five hundred fifty-four".