125432311 has 2 divisors, whose sum is σ = 125432312. Its totient is φ = 125432310.

The previous prime is 125432297. The next prime is 125432347. The reversal of 125432311 is 113234521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125432311 - 2¹⁵ = 125399543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125432611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62716155 + 62716156.

It is an arithmetic number, because the mean of its divisors is an integer number (62716156).

Almost surely, 2^125432311 is an apocalyptic number.

125432311 is a deficient number, since it is larger than the sum of its proper divisors (1).

125432311 is an equidigital number, since it uses as much as digits as its factorization.

125432311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 22.

The square root of 125432311 is about 11199.6567358111. The cubic root of 125432311 is about 500.5757514328.

Adding to 125432311 its reverse (113234521), we get a palindrome (238666832).

The spelling of 125432311 in words is "one hundred twenty-five million, four hundred thirty-two thousand, three hundred eleven".