1125342397 has 2 divisors, whose sum is σ = 1125342398. Its totient is φ = 1125342396.

The previous prime is 1125342389. The next prime is 1125342409. The reversal of 1125342397 is 7932435211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1125334116 + 8281 = 33546^2 + 91^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125342397 - 2³ = 1125342389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125342307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562671198 + 562671199.

It is an arithmetic number, because the mean of its divisors is an integer number (562671199).

Almost surely, 2^1125342397 is an apocalyptic number.

It is an amenable number.

1125342397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125342397 is an equidigital number, since it uses as much as digits as its factorization.

1125342397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 1125342397 is about 33546.1234273053. The cubic root of 1125342397 is about 1040.1474140768.

The spelling of 1125342397 in words is "one billion, one hundred twenty-five million, three hundred forty-two thousand, three hundred ninety-seven".