1121122023 has 16 divisors (see below), whose sum is σ = 1725991680. Its totient is φ = 634035456.

The previous prime is 1121121983. The next prime is 1121122031. The reversal of 1121122023 is 3202211211.

It is not a de Polignac number, because 1121122023 - 2¹⁸ = 1120859879 is a prime.

It is a super-2 number, since 2×1121122023² = 2513829180911225058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121121993 and 1121122011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121122033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273153 + ... + 277226.

It is an arithmetic number, because the mean of its divisors is an integer number (107874480).

Almost surely, 2^1121122023 is an apocalyptic number.

1121122023 is a deficient number, since it is larger than the sum of its proper divisors (604869657).

1121122023 is an equidigital number, since it uses as much as digits as its factorization.

1121122023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550486.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1121122023 is about 33483.1602899129. The cubic root of 1121122023 is about 1038.8454961649.

Adding to 1121122023 its reverse (3202211211), we get a palindrome (4323333234).

The spelling of 1121122023 in words is "one billion, one hundred twenty-one million, one hundred twenty-two thousand, twenty-three".