125884789 has 2 divisors, whose sum is σ = 125884790. Its totient is φ = 125884788.

The previous prime is 125884771. The next prime is 125884807. The reversal of 125884789 is 987488521.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (125884771) and next prime (125884807).

It can be written as a sum of positive squares in only one way, i.e., 123876900 + 2007889 = 11130^2 + 1417^2 .

It is a cyclic number.

It is not a de Polignac number, because 125884789 - 2¹¹ = 125882741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125884739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62942394 + 62942395.

It is an arithmetic number, because the mean of its divisors is an integer number (62942395).

Almost surely, 2^125884789 is an apocalyptic number.

It is an amenable number.

125884789 is a deficient number, since it is larger than the sum of its proper divisors (1).

125884789 is an equidigital number, since it uses as much as digits as its factorization.

125884789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1290240, while the sum is 52.

The square root of 125884789 is about 11219.8390808425. The cubic root of 125884789 is about 501.1769460887.

The spelling of 125884789 in words is "one hundred twenty-five million, eight hundred eighty-four thousand, seven hundred eighty-nine".