125431034 has 4 divisors (see below), whose sum is σ = 188146554. Its totient is φ = 62715516.

The previous prime is 125431021. The next prime is 125431039. The reversal of 125431034 is 430134521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 430134521 = 19 ⋅22638659.

It can be written as a sum of positive squares in only one way, i.e., 69973225 + 55457809 = 8365^2 + 7447^2 .

It is not an unprimeable number, because it can be changed into a prime (125431039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31357757 + ... + 31357760.

Almost surely, 2^125431034 is an apocalyptic number.

125431034 is a deficient number, since it is larger than the sum of its proper divisors (62715520).

125431034 is an equidigital number, since it uses as much as digits as its factorization.

125431034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62715519.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 125431034 is about 11199.5997249902. The cubic root of 125431034 is about 500.5740526748.

Adding to 125431034 its reverse (430134521), we get a palindrome (555565555).

The spelling of 125431034 in words is "one hundred twenty-five million, four hundred thirty-one thousand, thirty-four".