920125447 has 2 divisors, whose sum is σ = 920125448. Its totient is φ = 920125446.

The previous prime is 920125379. The next prime is 920125463. The reversal of 920125447 is 744521029.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 920125447 - 2²⁷ = 785907719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920125147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460062723 + 460062724.

It is an arithmetic number, because the mean of its divisors is an integer number (460062724).

Almost surely, 2^920125447 is an apocalyptic number.

920125447 is a deficient number, since it is larger than the sum of its proper divisors (1).

920125447 is an equidigital number, since it uses as much as digits as its factorization.

920125447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 920125447 is about 30333.5696382737. The cubic root of 920125447 is about 972.6330301339.

The spelling of 920125447 in words is "nine hundred twenty million, one hundred twenty-five thousand, four hundred forty-seven".