1125651097 has 2 divisors, whose sum is σ = 1125651098. Its totient is φ = 1125651096.

The previous prime is 1125651089. The next prime is 1125651113. The reversal of 1125651097 is 7901565211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 742235536 + 383415561 = 27244^2 + 19581^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125651097 - 2³ = 1125651089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1125651017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562825548 + 562825549.

It is an arithmetic number, because the mean of its divisors is an integer number (562825549).

Almost surely, 2^1125651097 is an apocalyptic number.

It is an amenable number.

1125651097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125651097 is an equidigital number, since it uses as much as digits as its factorization.

1125651097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 37.

The square root of 1125651097 is about 33550.7242395749. The cubic root of 1125651097 is about 1040.2425152512.

The spelling of 1125651097 in words is "one billion, one hundred twenty-five million, six hundred fifty-one thousand, ninety-seven".