125333121 has 4 divisors (see below), whose sum is σ = 167110832. Its totient is φ = 83555412.

The previous prime is 125333119. The next prime is 125333123. The reversal of 125333121 is 121333521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121333521 = 3 ⋅40444507.

It is an interprime number because it is at equal distance from previous prime (125333119) and next prime (125333123).

It is not a de Polignac number, because 125333121 - 2¹ = 125333119 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125333123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20888851 + ... + 20888856.

It is an arithmetic number, because the mean of its divisors is an integer number (41777708).

Almost surely, 2^125333121 is an apocalyptic number.

It is an amenable number.

125333121 is a deficient number, since it is larger than the sum of its proper divisors (41777711).

125333121 is an equidigital number, since it uses as much as digits as its factorization.

125333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41777710.

The product of its digits is 540, while the sum is 21.

The square root of 125333121 is about 11195.2275992943. The cubic root of 125333121 is about 500.4437673579.

Adding to 125333121 its reverse (121333521), we get a palindrome (246666642).

The spelling of 125333121 in words is "one hundred twenty-five million, three hundred thirty-three thousand, one hundred twenty-one".