1125023422 has 4 divisors (see below), whose sum is σ = 1687535136. Its totient is φ = 562511710.

The previous prime is 1125023407. The next prime is 1125023423. The reversal of 1125023422 is 2243205211.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1125023393 and 1125023402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125023423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281255854 + ... + 281255857.

It is an arithmetic number, because the mean of its divisors is an integer number (421883784).

Almost surely, 2^1125023422 is an apocalyptic number.

1125023422 is a deficient number, since it is larger than the sum of its proper divisors (562511714).

1125023422 is an equidigital number, since it uses as much as digits as its factorization.

1125023422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562511713.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1125023422 is about 33541.3688152407. The cubic root of 1125023422 is about 1040.0491292126.

Adding to 1125023422 its reverse (2243205211), we get a palindrome (3368228633).

The spelling of 1125023422 in words is "one billion, one hundred twenty-five million, twenty-three thousand, four hundred twenty-two".