1125411377 has 2 divisors, whose sum is σ = 1125411378. Its totient is φ = 1125411376.

The previous prime is 1125411361. The next prime is 1125411431. The reversal of 1125411377 is 7731145211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 947162176 + 178249201 = 30776^2 + 13351^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125411377 - 2⁴ = 1125411361 is a prime.

It is a super-2 number, since 2×1125411377² = 2533101534962072258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1125411307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562705688 + 562705689.

It is an arithmetic number, because the mean of its divisors is an integer number (562705689).

Almost surely, 2^1125411377 is an apocalyptic number.

It is an amenable number.

1125411377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125411377 is an equidigital number, since it uses as much as digits as its factorization.

1125411377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880, while the sum is 32.

The square root of 1125411377 is about 33547.1515482313. The cubic root of 1125411377 is about 1040.1686662465.

Adding to 1125411377 its reverse (7731145211), we get a palindrome (8856556588).

The spelling of 1125411377 in words is "one billion, one hundred twenty-five million, four hundred eleven thousand, three hundred seventy-seven".