1123625357 has 2 divisors, whose sum is σ = 1123625358. Its totient is φ = 1123625356.

The previous prime is 1123625317. The next prime is 1123625449. The reversal of 1123625357 is 7535263211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 879359716 + 244265641 = 29654^2 + 15629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123625357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123625317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561812678 + 561812679.

It is an arithmetic number, because the mean of its divisors is an integer number (561812679).

Almost surely, 2^1123625357 is an apocalyptic number.

It is an amenable number.

1123625357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123625357 is an equidigital number, since it uses as much as digits as its factorization.

1123625357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 35.

The square root of 1123625357 is about 33520.5214309086. The cubic root of 1123625357 is about 1039.6181281059.

Adding to 1123625357 its reverse (7535263211), we get a palindrome (8658888568).

The spelling of 1123625357 in words is "one billion, one hundred twenty-three million, six hundred twenty-five thousand, three hundred fifty-seven".