1125064357 has 4 divisors (see below), whose sum is σ = 1130893900. Its totient is φ = 1119234816.

The previous prime is 1125064349. The next prime is 1125064361. The reversal of 1125064357 is 7534605211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 370408516 + 754655841 = 19246^2 + 27471^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125064357 - 2³ = 1125064349 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 (1125064327) 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, 2914482 + ... + 2914867.

It is an arithmetic number, because the mean of its divisors is an integer number (282723475).

Almost surely, 2^1125064357 is an apocalyptic number.

It is an amenable number.

1125064357 is a deficient number, since it is larger than the sum of its proper divisors (5829543).

1125064357 is an equidigital number, since it uses as much as digits as its factorization.

1125064357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5829542.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 1125064357 is about 33541.9790262888. The cubic root of 1125064357 is about 1040.0617434374.

Adding to 1125064357 its reverse (7534605211), we get a palindrome (8659669568).

The spelling of 1125064357 in words is "one billion, one hundred twenty-five million, sixty-four thousand, three hundred fifty-seven".