125652811 has 2 divisors, whose sum is σ = 125652812. Its totient is φ = 125652810.

The previous prime is 125652799. The next prime is 125652847. The reversal of 125652811 is 118256521.

It is a weak prime.

It is an emirp because it is prime and its reverse (118256521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125652811 - 2²¹ = 123555659 is a prime.

It is not a weakly prime, because it can be changed into another prime (125652881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62826405 + 62826406.

It is an arithmetic number, because the mean of its divisors is an integer number (62826406).

Almost surely, 2^125652811 is an apocalyptic number.

125652811 is a deficient number, since it is larger than the sum of its proper divisors (1).

125652811 is an equidigital number, since it uses as much as digits as its factorization.

125652811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 31.

The square root of 125652811 is about 11209.4964650514. The cubic root of 125652811 is about 500.8689038043.

It can be divided in two parts, 12565 and 2811, that added together give a square (15376 = 124²).

The spelling of 125652811 in words is "one hundred twenty-five million, six hundred fifty-two thousand, eight hundred eleven".