125434121 has 8 divisors (see below), whose sum is σ = 126984000. Its totient is φ = 123890832.

The previous prime is 125434103. The next prime is 125434123. The reversal of 125434121 is 121434521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125434121 is a prime.

It is a super-2 number, since 2×125434121² = 31467437422085282, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125434123) 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, 44255 + ... + 47003.

It is an arithmetic number, because the mean of its divisors is an integer number (15873000).

Almost surely, 2^125434121 is an apocalyptic number.

It is an amenable number.

125434121 is a deficient number, since it is larger than the sum of its proper divisors (1549879).

125434121 is a wasteful number, since it uses less digits than its factorization.

125434121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295.

The product of its digits is 960, while the sum is 23.

The square root of 125434121 is about 11199.7375415677. The cubic root of 125434121 is about 500.5781592062.

Adding to 125434121 its reverse (121434521), we get a palindrome (246868642).

The spelling of 125434121 in words is "one hundred twenty-five million, four hundred thirty-four thousand, one hundred twenty-one".