125053421 has 8 divisors (see below), whose sum is σ = 131762400. Its totient is φ = 118357200.

The previous prime is 125053399. The next prime is 125053457. The reversal of 125053421 is 124350521.

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 125053421 - 2¹⁰ = 125052397 is a prime.

It is a super-5 number, since 5×125053421⁵ (a number of 42 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125053121) 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, 22190 + ... + 27248.

It is an arithmetic number, because the mean of its divisors is an integer number (16470300).

Almost surely, 2^125053421 is an apocalyptic number.

It is an amenable number.

125053421 is a deficient number, since it is larger than the sum of its proper divisors (6708979).

125053421 is a wasteful number, since it uses less digits than its factorization.

125053421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6379.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 125053421 is about 11182.7286920501. The cubic root of 125053421 is about 500.0712178556.

The spelling of 125053421 in words is "one hundred twenty-five million, fifty-three thousand, four hundred twenty-one".