1125461459 has 2 divisors, whose sum is σ = 1125461460. Its totient is φ = 1125461458.

The previous prime is 1125461431. The next prime is 1125461471. The reversal of 1125461459 is 9541645211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1125461459 is a prime.

It is not a weakly prime, because it can be changed into another prime (1125461759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562730729 + 562730730.

It is an arithmetic number, because the mean of its divisors is an integer number (562730730).

Almost surely, 2^1125461459 is an apocalyptic number.

1125461459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125461459 is an equidigital number, since it uses as much as digits as its factorization.

1125461459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 38.

The square root of 1125461459 is about 33547.8979818408. The cubic root of 1125461459 is about 1040.1840955539.

The spelling of 1125461459 in words is "one billion, one hundred twenty-five million, four hundred sixty-one thousand, four hundred fifty-nine".