1125903023 has 16 divisors (see below), whose sum is σ = 1305077760. Its totient is φ = 951350400.

The previous prime is 1125902977. The next prime is 1125903059. The reversal of 1125903023 is 3203095211.

It is not a de Polignac number, because 1125903023 - 2¹⁶ = 1125837487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1125902983 and 1125903001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125903073) 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, 486038 + ... + 488348.

It is an arithmetic number, because the mean of its divisors is an integer number (81567360).

Almost surely, 2^1125903023 is an apocalyptic number.

1125903023 is a deficient number, since it is larger than the sum of its proper divisors (179174737).

1125903023 is an equidigital number, since it uses as much as digits as its factorization.

1125903023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 1125903023 is about 33554.4784343312. The cubic root of 1125903023 is about 1040.3201131821.

Adding to 1125903023 its reverse (3203095211), we get a palindrome (4328998234).

The spelling of 1125903023 in words is "one billion, one hundred twenty-five million, nine hundred three thousand, twenty-three".