125534321 has 8 divisors (see below), whose sum is σ = 139860864. Its totient is φ = 111693520.

The previous prime is 125534317. The next prime is 125534327. The reversal of 125534321 is 123435521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125534321 - 2² = 125534317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125534327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120890 + ... + 121923.

It is an arithmetic number, because the mean of its divisors is an integer number (17482608).

Almost surely, 2^125534321 is an apocalyptic number.

125534321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125534321 is a deficient number, since it is larger than the sum of its proper divisors (14326543).

125534321 is a wasteful number, since it uses less digits than its factorization.

125534321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242871.

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

The square root of 125534321 is about 11204.2099676863. The cubic root of 125534321 is about 500.7114152965.

Adding to 125534321 its reverse (123435521), we get a palindrome (248969842).

The spelling of 125534321 in words is "one hundred twenty-five million, five hundred thirty-four thousand, three hundred twenty-one".