1420125589 has 2 divisors, whose sum is σ = 1420125590. Its totient is φ = 1420125588.

The previous prime is 1420125559. The next prime is 1420125647. The reversal of 1420125589 is 9855210241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1278634564 + 141491025 = 35758^2 + 11895^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420125589 - 2¹³ = 1420117397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420125559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710062794 + 710062795.

It is an arithmetic number, because the mean of its divisors is an integer number (710062795).

Almost surely, 2^1420125589 is an apocalyptic number.

It is an amenable number.

1420125589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420125589 is an equidigital number, since it uses as much as digits as its factorization.

1420125589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 1420125589 is about 37684.5537189974. The cubic root of 1420125589 is about 1124.0239999962.

The spelling of 1420125589 in words is "one billion, four hundred twenty million, one hundred twenty-five thousand, five hundred eighty-nine".