125534123 has 16 divisors (see below), whose sum is σ = 149990400. Its totient is φ = 103550880.

The previous prime is 125534119. The next prime is 125534131. The reversal of 125534123 is 321435521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 125534123 - 2² = 125534119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125534092 and 125534101.

It is not an unprimeable number, because it can be changed into a prime (125534153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 998 + ... + 15876.

It is an arithmetic number, because the mean of its divisors is an integer number (9374400).

Almost surely, 2^125534123 is an apocalyptic number.

125534123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125534123 is a deficient number, since it is larger than the sum of its proper divisors (24456277).

125534123 is a wasteful number, since it uses less digits than its factorization.

125534123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14962.

The product of its digits is 3600, while the sum is 26.

The square root of 125534123 is about 11204.2011317184. The cubic root of 125534123 is about 500.7111520460.

Adding to 125534123 its reverse (321435521), we get a palindrome (446969644).

The spelling of 125534123 in words is "one hundred twenty-five million, five hundred thirty-four thousand, one hundred twenty-three".