1125730357 has 2 divisors, whose sum is σ = 1125730358. Its totient is φ = 1125730356.

The previous prime is 1125730351. The next prime is 1125730369. The reversal of 1125730357 is 7530375211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1088934001 + 36796356 = 32999^2 + 6066^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125730357 - 2¹⁵ = 1125697589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125730351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562865178 + 562865179.

It is an arithmetic number, because the mean of its divisors is an integer number (562865179).

Almost surely, 2^1125730357 is an apocalyptic number.

It is an amenable number.

1125730357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125730357 is an equidigital number, since it uses as much as digits as its factorization.

1125730357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 1125730357 is about 33551.9054153412. The cubic root of 1125730357 is about 1040.2669300653.

It can be divided in two parts, 11257 and 30357, that added together give a palindrome (41614).

The spelling of 1125730357 in words is "one billion, one hundred twenty-five million, seven hundred thirty thousand, three hundred fifty-seven".