1225132023 has 4 divisors (see below), whose sum is σ = 1633509368. Its totient is φ = 816754680.

The previous prime is 1225132001. The next prime is 1225132039. The reversal of 1225132023 is 3202315221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1225132023 - 2¹³ = 1225123831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225132093) 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, 204188668 + ... + 204188673.

It is an arithmetic number, because the mean of its divisors is an integer number (408377342).

Almost surely, 2^1225132023 is an apocalyptic number.

1225132023 is a deficient number, since it is larger than the sum of its proper divisors (408377345).

1225132023 is an equidigital number, since it uses as much as digits as its factorization.

1225132023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408377344.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1225132023 is about 35001.8859920433. The cubic root of 1225132023 is about 1070.0259180842.

Adding to 1225132023 its reverse (3202315221), we get a palindrome (4427447244).

The spelling of 1225132023 in words is "one billion, two hundred twenty-five million, one hundred thirty-two thousand, twenty-three".