1121012023 has 8 divisors (see below), whose sum is σ = 1166151600. Its totient is φ = 1076304768.

The previous prime is 1121011967. The next prime is 1121012047. The reversal of 1121012023 is 3202101211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121012023 - 2⁹ = 1121011511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121011994 and 1121012012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121012423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102786 + ... + 113167.

It is an arithmetic number, because the mean of its divisors is an integer number (145768950).

Almost surely, 2^1121012023 is an apocalyptic number.

1121012023 is a deficient number, since it is larger than the sum of its proper divisors (45139577).

1121012023 is a wasteful number, since it uses less digits than its factorization.

1121012023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216161.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1121012023 is about 33481.5176328672. The cubic root of 1121012023 is about 1038.8115192681.

Adding to 1121012023 its reverse (3202101211), we get a palindrome (4323113234).

The spelling of 1121012023 in words is "one billion, one hundred twenty-one million, twelve thousand, twenty-three".