125001453 has 4 divisors (see below), whose sum is σ = 166668608. Its totient is φ = 83334300.

The previous prime is 125001451. The next prime is 125001467. The reversal of 125001453 is 354100521.

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: 354100521 = 3 ⋅118033507.

It is not a de Polignac number, because 125001453 - 2¹ = 125001451 is a prime.

It is a super-2 number, since 2×125001453² = 31250726504222418, which contains 22 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 (125001451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20833573 + ... + 20833578.

It is an arithmetic number, because the mean of its divisors is an integer number (41667152).

Almost surely, 2^125001453 is an apocalyptic number.

It is an amenable number.

125001453 is a deficient number, since it is larger than the sum of its proper divisors (41667155).

125001453 is an equidigital number, since it uses as much as digits as its factorization.

125001453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41667154.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 125001453 is about 11180.4048674455. The cubic root of 125001453 is about 500.0019373258.

Adding to 125001453 its reverse (354100521), we get a palindrome (479101974).

The spelling of 125001453 in words is "one hundred twenty-five million, one thousand, four hundred fifty-three".