1125747437 has 2 divisors, whose sum is σ = 1125747438. Its totient is φ = 1125747436.

The previous prime is 1125747421. The next prime is 1125747449. The reversal of 1125747437 is 7347475211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 959698441 + 166048996 = 30979^2 + 12886^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125747437 - 2⁴ = 1125747421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1125747394 and 1125747403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125747407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562873718 + 562873719.

It is an arithmetic number, because the mean of its divisors is an integer number (562873719).

Almost surely, 2^1125747437 is an apocalyptic number.

It is an amenable number.

1125747437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125747437 is an equidigital number, since it uses as much as digits as its factorization.

1125747437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 164640, while the sum is 41.

The square root of 1125747437 is about 33552.1599453746. The cubic root of 1125747437 is about 1040.2721911444.

The spelling of 1125747437 in words is "one billion, one hundred twenty-five million, seven hundred forty-seven thousand, four hundred thirty-seven".