125421333 has 16 divisors (see below), whose sum is σ = 171310080. Its totient is φ = 81584496.

The previous prime is 125421311. The next prime is 125421343. The reversal of 125421333 is 333124521.

It is not a de Polignac number, because 125421333 - 2⁹ = 125420821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125421343) 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, 52266 + ... + 54612.

It is an arithmetic number, because the mean of its divisors is an integer number (10706880).

Almost surely, 2^125421333 is an apocalyptic number.

It is an amenable number.

125421333 is a deficient number, since it is larger than the sum of its proper divisors (45888747).

125421333 is a wasteful number, since it uses less digits than its factorization.

125421333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776.

The product of its digits is 2160, while the sum is 24.

The square root of 125421333 is about 11199.1666207803. The cubic root of 125421333 is about 500.5611473251.

Adding to 125421333 its reverse (333124521), we get a palindrome (458545854).

It can be divided in two parts, 125 and 421333, that multiplied together give a palindrome (52666625).

The spelling of 125421333 in words is "one hundred twenty-five million, four hundred twenty-one thousand, three hundred thirty-three".