125072723 has 4 divisors (see below), whose sum is σ = 132429960. Its totient is φ = 117715488.

The previous prime is 125072711. The next prime is 125072741. The reversal of 125072723 is 327270521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327270521 = 107 ⋅3058603.

It is a cyclic number.

It is not a de Polignac number, because 125072723 - 2⁴ = 125072707 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125072923) 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, 3678593 + ... + 3678626.

It is an arithmetic number, because the mean of its divisors is an integer number (33107490).

Almost surely, 2^125072723 is an apocalyptic number.

125072723 is a deficient number, since it is larger than the sum of its proper divisors (7357237).

125072723 is an equidigital number, since it uses as much as digits as its factorization.

125072723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7357236.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 125072723 is about 11183.5916860372. The cubic root of 125072723 is about 500.0969452020.

The spelling of 125072723 in words is "one hundred twenty-five million, seventy-two thousand, seven hundred twenty-three".