125493719 has 4 divisors (see below), whose sum is σ = 135147096. Its totient is φ = 115840344.

The previous prime is 125493671. The next prime is 125493749. The reversal of 125493719 is 917394521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 917394521 = 619 ⋅1482059.

It is a cyclic number.

It is not a de Polignac number, because 125493719 - 2¹⁶ = 125428183 is a prime.

It is a super-2 number, since 2×125493719² = 31497347016901922, 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 (125493749) 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, 4826669 + ... + 4826694.

It is an arithmetic number, because the mean of its divisors is an integer number (33786774).

Almost surely, 2^125493719 is an apocalyptic number.

125493719 is a deficient number, since it is larger than the sum of its proper divisors (9653377).

125493719 is an equidigital number, since it uses as much as digits as its factorization.

125493719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9653376.

The product of its digits is 68040, while the sum is 41.

The square root of 125493719 is about 11202.3979129470. The cubic root of 125493719 is about 500.6574272001.

The spelling of 125493719 in words is "one hundred twenty-five million, four hundred ninety-three thousand, seven hundred nineteen".